Free open source XMPP/Jabber app for Linux which includes support for end to end encrypted messaging, voice/video calls and conferencing.
Fediverse address:
@dino@fosstodon.org
Free open source XMPP/Jabber app for Linux which includes support for end to end encrypted messaging, voice/video calls and conferencing.
Fediverse address:
@dino@fosstodon.org
Posts jobs available at companies and organisations that develop and improve Free Open Source Software, Open Source Hardware or related projects.
Fediverse address:
@fossjobs@fosstodon.org
Free open source privacy and security focused mobile OS, compatible with nearly every Android app through a sandboxed Google Play compatibility layer.
Fediverse address:
@GrapheneOS@grapheneos.social
Develops and maintains the XMPP standard for instant messaging and voice and video calls. It’s a free open federated standard, so anyone can set up their own server or write their own app. (XMPP used to be known as Jabber.)
Fediverse address:
@xmpp@fosstodon.org
Free open source project creating a question & answer platform with social aspects. It can be self-hosted, and their long term roadmap includes federation (though it isn’t federated yet).
Fediverse address:
@retrospring@fosstodon.org
Popular long-established Linux distribution first released in 2003, sponsored by the US software company Red Hat.
Fediverse address:
@fedora@fosstodon.org
A free open source game engine for little games that can be made and played entirely within a web browser.
Fediverse address:
@bitsy@digipres.club
Fundraising, money management and legal status platform for charities, activists and libre projects that want to be transparent about where their money comes from and how it is used.
Fediverse address:
@opencollective@opencollective.com
Initiative supported by KDE to certify free open source software as ecologically sustainable.
Fediverse address:
@be4foss@floss.social
Non-profit organisation that maintains the Tor network, which allows people to communicate anonymously over the internet thanks to a special network that scrambles any attempts to trace connections. The easiest way to use Tor is with the Tor web browser, which you can download from their website.
Fediverse address:
@torproject@mastodon.social
Free open source software which allows classic adventure games, graphic adventures and RPGs to run on modern, old and unusual hardware.
Fediverse address:
@scummvm@corteximplant.com
Pixel artist and creator of mods for Minetest (the free open source alternative to Minecraft).
Fediverse address:
@zughy_boi@mastodon.social
Small independent company creating a libre laptop called the MNT Reform.
Fediverse address:
@mntmn@mastodon.social
A new project that aims to combine an open source hardware device with FOSS federated social networks to allow you to physically control your own data, and to operate offline too if you want.
Fediverse address:
@bonfire@indieweb.social
Portguese community for sharing hands-on knowledge about Linux, Free Software/Open Source Software and related topics. Has a dedicated computer lab and physical location.
Fediverse address (in Portuguese):
@centrolinux@masto.pt
Free open source end-to-end encrypted messaging system that works through email. This means if you both have Delta apps running you can chat in encrypted mode, but even people without Delta can chat with you through their normal email account. It’s available for Android, iOS, Linux, Mac and Windows.
Fediverse address:
@delta@chaos.social
Free open source online platform for organising community activism and volunteer initiatives such as food sharing etc. Anyone can set up their own Karrot site, or join an existing site.
Fediverse address:
@karrot@fosstodon.org
Linux distribution based on Ubuntu with emphasis on ease of use. Comes bundled with popular and useful free open source apps.
Fediverse address:
@linuxmint@mastodon.social
Privacy-friendly smartphone operating system based on Android.
Fediverse address:
@calyxos@fosstodon.org
Official account of the Rust programming language.
Fediverse address:
@rust@social.rust-lang.org
FOSS build and installation framework for management of (scientific) software on High Performance Computing systems.
Fediverse address:
@easybuild@mast.hpc.social
Develops free open source alternatives to Google’s proprietary services in Android.
Fediverse address:
@microg@fosstodon.org
Community-driven Linux distribution based on the now-defunct Mandriva.
Fediverse address
@openmandriva@linuxrocks.online
An app for Android phones available through F-Droid which makes it as easy as possible to share photos on the Fediverse. It’s based on an app by PLA, who enjoyed sharing pictures on the Fediverse while out and about. PLA sadly died in January 2021, and Fediphoto Lineage aims to honour his memory by keeping his project alive.
Fediverse address:
@fediphoto_lineage@libranet.de
German language site featuring tutorials for self-hosting your own free open source services, and the same site also provides a number of libre online services.
Fediverse address (in German):
@adminforge@kanoa.de
Researches, develops and promotes online services designed for human beings rather than corporate profits.
Fediverse address (live streaming):
@fedi@owncast.small-web.org
Fediverse address (co-founder Laura Kalbag):
@laura@mastodon.laurakalbag.com
Fediverse address (co-founder Aral Balkan):
@aral@mastodon.ar.al
General purpose Linux distribution which is shipped as a minimal base system by default, letting the user add what they need.
Fediverse address:
@archlinux@fosstodon.org
Free open source non-profit platform for making recurring donations to projects or people. It’s like a libre alternative to Patreon. The project is funded entirely by donations made through its own platform.
Fediverse address:
@Liberapay@mastodon.xyz
Free open source community fork of the Drone Continuous Integration platform.
Fediverse address:
@WoodpeckerCI@floss.social
Free open source XMPP desktop app for Linux, Mac and Windows. Includes OMEMO end-to-end encryption support.
Fediverse address:
@gajim@fosstodon.org
European Union initiative which is helping to fund free open decentralised social media like Mastodon and PeerTube, as well as many other libre online projects.
Fediverse address:
@EC_NGI@social.network.europa.eu
Linux distribution intended for creative people, and includes preinstalled free open source software for image, audio, video and text editing.
Fediverse address:
@ubuntustudio@mastodon.art
Free open source Swift package library to help developers make apps that interact with the Fediverse.
Fediverse address:
@tootsdk@iosdev.space
Videos devoted to the Linux OS, software for Linux, Linux-based phones, FOSS, de-Googlising and related topics. The videos include news items, reviews, features and tutorials aimed at a wide range of skill levels.
Fediverse address (main):
@thelinuxEXP@mastodon.social
Fediverse address (videos):
@thelinuxexperiment@tilvids.com
Free open source audio and video server and user space API for Linux systems.
Fediverse address:
@pipewire@fosstodon.org
Free open source end-to-end encrypted peer-to-peer calling and messaging app. It supports video calls, audio, messaging and has a Skype-style interface. It has apps for all major platforms including Android, iPhone/iPad, Linux, Mac and Windows.
Fediverse address:
@Jami@mstdn.io
Free open source cross-platform electronic design automation suite to draw schematics and design printed circuit boards. Aimed at people of all skill levels, from beginners to professionals.
Fediverse address:
@librepcb@fosstodon.org
Free open source 2D game engine designed mainly for RPGs. Solarus games run on Nintendo Switch, Linux, Mac and Windows.
Fediverse address:
@solarus@mastodon.gamedev.place
Developing an ebook creation platform, which includes an open markup language and free open source tools.
Fediverse address:
@nantucketebooks@fosstodon.org
Unofficial news account following development of the free open source LMMS music composition and sequencing software.
Fediverse address:
@LMMS@fosstodon.org
Free open source language learning platform.
Fediverse address:
@librelingo@fosstodon.org
Free open source online project management software, including classic, agile and hybrid management throughout project life cycle.
Fediverse address:
@openproject@fosstodon.org
Free open source software tools to help researchers create experiments in behavioural sciences including psychology, neuroscience, psychophysics, linguistics, behavioural economics etc.
Fediverse address:
@psychopy@mastodon.social
Free open source electronics design automation suite, available for Linux, Mac and Windows.
Fediverse address:
@kicad@fosstodon.org
Third party Mastodon and Glitch app for Android, forked from the official app with lots of features added.
Fediverse address:
@megalodon@floss.social
Fediverse server type with a Facebook-style interface and no character limit. It is extremely flexible and lets you follow many kinds of accounts in a single timeline including the Fediverse, RSS, Twitter and others.
Fediverse account:
@news@forum.friendi.ca
Italian-language site about privacy-friendly apps and services, reviews of FOSS games, news about online privacy etc.
Fediverse address:
@lealternative@mastodon.uno
Site covering all kinds of events related to free open source software.
Fediverse address:
@foss_events@fosstodon.org
Free open source XMPP messenger app for iPhone, iPad and Mac. It includes support for OMEMO end-to-end encryption.
Fediverse address:
@Monal@fosstodon.org
The most popular part of the Fediverse, there are thousands of Mastodon servers with millions of registered users. Mastodon is a microblogging platform where people can post up to 500 characters of text as well as attach images, audio and video.
Fediverse address:
@Mastodon@mastodon.social
Free open source federated events platform, designed to provide a privacy-friendly alternative to Facebook Events. It has been designed for activists and volunteer organisations, but anyone can use it. It’s part of the Fediverse, so you can follow Mobilizon accounts from Mastodon etc.
Fediverse address:
@mobilizon@framapiaf.org
Free open source encrypted platform that allows whistleblowers and activists to contact journalists and NGOs anonymously through the Tor network.
Fediverse address:
@securedrop@fosstodon.org
An attempt to provide a user-friendly desktop based on Sway, a popular tiling window manager (compositor) using the modern Wayland graphics stack.
Fediverse address:
@ubuntusway@mas.to
Free open source privacy-friendly front end for YouTube.
Fediverse address:
@invidious@social.tchncs.de
Aims to provide a next generation internet with better privacy, more decentralisation, less spam and better energy efficiency by using “multicast”.
Fediverse address:
@librecast@chaos.social
Free open source alternative to Linktree, which helps people publish links to all their profiles and sites on a single page.
Fediverse address:
@linkstack@mstdn.social
Free open source app that lets you add an end-to-end encrypted folder to your existing cloud service. It works with popular cloud services such as Nextcloud, DropBox, Google Drive, One Drive, iCloud etc. There are apps for Linux, Mac, Windows, iPhone/iPad and Android.
Fediverse address:
@cryptomator@mastodon.online
KDE developer posting lots of interesting videos all about software created by the KDE community and related topics.
Fediverse address:
@veggero@tube.kockatoo.org
Free open source quantumn computing SDK for working with quantum computers at the level of pulses, circuits and application modules.
Fediverse address:
@qiskit@qubit-social.xyz
Free open source software organisation, probably best known for the Firefox web browser and many other libre projects.
Fediverse address:
@mozilla@mozilla.social
FOSS wiki software aimed at businesses, it’s inteded as an alternative to Confluence and Mediawiki.
Fediverse address:
@XWiki@social.weho.st
Lightweight and secure Linux distribution based on musl libc and busybox.
Fediverse address:
@alpinelinux@fosstodon.org
Develops and promotes FOSS applications and open source hardware for professional filmmaking. One of their flagship products is the Axiom range of open hardware high end film cameras, produced in association with Magic Lantern (the makers of unofficial Canon firmware).
Fediverse address:
@apertus@mastodon.social
OONI monitors network-level blocking of internet access, which is usually by governments or ISPs, and flags up any mass internet blocks or other interference. They also develop FOSS tools for carrying out this monitoring.
Fediverse address:
@ooni@mastodon.social
Online fork of the LibreOffice productivity suite aimed at businesses, including long term tech support, admin tools, smartphone apps and cloud collaboration.
Fediverse address:
@CollaboraOffice@mastodon.social
Its development company, Collabora, is one of the biggest upstream contributors to LibreOffice’s source code, and has a close relationship with the FOSS community.
Fediverse address:
@collabora@floss.social
Develops and maintains Ubuntu Touch, a Linux-based operating system for smartphones and tablets. Ubuntu Touch was originally started by Canonical, but UBports took over development and maintenance in 2017.
Fediverse address:
@ubports@mastodon.social
Free open source platform for keeping track of your physical book collection including any books you lend. It’s suitable for individuals with lots of books, or organisations wanting to start their own private library. It has its own built-in database of titles and the latest version includes Fediverse features.
Fediverse address:
@inventaire@mamot.fr
The popular free open source desktop email app, available for Linux, Mac and Windows. As well as email, it also works as an RSS news reader, XMPP client and IRC client.
Fediverse account (main):
@thunderbird@mastodon.online
Fediverse account (videos):
@thunderbird@tilvids.com
Developer on FOSS gaming projects such as SuperTux Advance, Kyrodian Legends and the Brux game engine.
Fediverse address:
@KelvinShadewing@mastodon.social
Blog all about Linux, FOSS and related topics. Sister publication to the OMG! Ubuntu website.
Fediverse address:
@omglinux@mastodon.social
Free open source alternative to Google Play. Looks a bit like an app store, but it’s entirely FOSS apps.
Fediverse address:
@fdroidorg@floss.social
XMPP-based free open federated messenger project. It aims to make XMPP into a more viable alternative to Whatsapp etc by providing consistency in design and terminology, while still maintaining compatibility with other XMPP apps and servers. (It’s a similar plan to how Mastodon made ActivityPub more mainstream while still being compatible with other ActivityPub server types.)
Fediverse address:
@snikket_im@fosstodon.org
Community developed distro of Ubuntu Linux using the Budgie Desktop Environment.
Fediverse address:
@ubuntubudgie@mastodon.social
A Fediverse video sharing and livestreaming, platform, sort of like YouTube but federated onto lots of independent servers. Because it’s part of the Fediverse, you can follow PeerTube accounts from Mastodon etc. PeerTube accounts can also be followed through RSS.
Fediverse address:
@peertube@framapiaf.org
Free open source operating system for PCs which is compatible with MS-DOS software. This allows you to run older games and other applications, as well as create DOS-based embedded systems.
Fediverse address:
@freedosproject@fosstodon.org
Popular managed hosting service for creating your own Mastodon server. Managed hosting means you don’t really need any technical knowledge as the hosting company does all the techy stuff behind the scenes for you (including installation, maintenance, upgrades etc).
Fediverse address:
@mastohost@mastodon.social
Free open source personal information manager software (includes email, contacts, calendars, tasks, notes).
Fediverse address:
@EvolutionGnome@floss.social
Free open source podcast player for Android devices. The app lets you listen to podcasts, keep track of episodes and manage your podcast subscriptions through open standards like RSS.
Fediverse account:
@AntennaPod@fosstodon.org
Funding initiative of the German government promoting development of open software. Anyone can apply for funding who lives in Germany, is self-employed, pays German taxes and publishes their source code on some sort of source forge. (You don’t need German citizenship.)
Fediverse address (in German):
@PrototypeFund@mastodon.social
The most popular free open source office suite, it includes a word processor, spreadsheet, presentation software etc. It’s very widely used by businesses, governments, organisations and individuals, and is available for Linux, Mac and Windows.
Fediverse address:
@libreoffice@fosstodon.org
There are also user groups on the Fediverse:
Fediverse address (in Spanish):
@LibreOfficeEs@mastodon.social
Fediverse address (in French):
@LaMouetteODF@framapiaf.org
Database of info about thousands of games for Linux, in English and French.
Fediverse address (in English and French):
@Le_bottin_des_jeux_linux@mastodon.social
Creates precise but psychedelic, colourful and detailed artwork, often related to animals and/or libre projects. For example, Ubuntu releases often receive a new piece of artwork by Ritter based on that version’s animal mascot.
Fediverse address:
@sylvia_ritter@mastodon.social
Free open source site featuring online versions of traditional board and card games. There are many modes including online multiplayer and single player against AI. You don’t need to register, just generate and share links as needed.
Fediverse address:
@freeboardgames@pixelfed.social
Free open source audio editing software, currently in beta testing, forked from Audacity
Fediverse address:
@tenacity@fosstodon.org
Free open source cross-platform game engine (previously known as Xenko).
Fediverse address:
@xenko@mastodon.gamedev.place
Free open source encrypted XMPP app for Android produced alongside a member-funded XMPP service, currently in private beta testing. Developed and run by a co-operative based in India.
Fediverse address:
@prav@venera.social
Educational version of Ubuntu Linux, designed for schools and students of all ages.
Fediverse address:
@edubuntu@ubuntu.social
Volunteers creating free open source software for healthcare organisations, doctors, hospitals etc.
Fediverse address:
@librehealth@floss.social
Worldwide free open source software community which creates all kinds of popular useful projects such as the Plasma desktop, Kdenlive, Krita and lots more.
Fediverse address (main):
@kde@floss.social
Fediverse address (videos):
@kde_community@tube.kockatoo.org
Fediverse address (conference videos):
@kde@conf.tube
Fediverse address (Spanish language community):
@kde_espana@floss.social
Fediverse address (French language community):
@kdefr@framapiaf.org
Free open source theme park game inspired by RollerCoaster Tycoon. The game uses entirely libre assets, so you don’t need any proprietary licences to play it. It’s still in alpha testing but playable.
Fediverse address:
@FreeRCT@floss.social
Videos about free open source software and hardware, especially with regard to privacy.
Fediverse address:
@rtp_tips@tube.tchncs.de
News site featuring tips and articles about Ubuntu, Linux, free open source software and related topics.
Fediverse address:
@omgubuntu@floss.social
An entertaining collection of videos about Linux, FOSS, computing, gaming, technology and sometimes random other stuff such as tea, vegan food and fountain pens. Were presents with a laid back, calm style which is relaxing to watch.
Fediverse address:
@chriswere@share.tube
Version of Linux which makes it as easy as possible to install and maintain your own self-hosted online services. There’s a really easy graphical interface, it works on home servers or remote ones, and it supports older and lower powered computers too.
Fediverse address (main account in English and French):
@yunohost@mastodon.social
Fediverse address (video account in English and French):
@yunohost@cinema.yunohost.support
Free open source 3D motor racing simulator for Linux, Mac and Windows, with the emphasis on realistic physics. Speed Dreams is an up-to-date fork of an earlier project, TORCS.
Fediverse address:
@speed_dreams_official@mastodon.social
Free open source software for importing, organising, tagging and editing photos (including raw images). Made by the KDE software community.
Fediverse address:
@digikam@fosstodon.org
Lightweight version of Ubuntu using LXQt desktop instead of GNOME.
Fediverse address:
@LubuntuOfficial@fosstodon.org
France’s biggest non-profit organisation promoting free open source software. They have created many libre online projects including the Fediverse’s PeerTube, Mobilizon and the “Frama” series of servers.
Fediverse address (in French):
@Framasoft@framapiaf.org
German-language free open source app helping people with their grammar and proofreading.
Fediverse address (in German):
@grammle@bildung.social
Free open source XMPP app for Linux and Android, and part of the KDE project. Includes OMEMO support for end-to-end encryption.
Fediverse address:
@kaidan@fosstodon.org
Free open source self-hostable file storage and collaboration platform. This is the project that Nextcloud was forked from, but the original is still going as its own thing.
Fediverse address:
@ownclouders@mastodon.social
Libre game developer, co-developer of the comedy turn-based strategy Hedgewars, and creator of games and mods for Minetest.
Fediverse address:
@Wuzzy@cyberplace.social
FOSS smartphone interface developed by KDE which runs on top of a Linux distribution.
Fediverse address:
@plasmamobile@fosstodon.org
Flexible Linux distribution where the source is compiled locally according to the user’s preferences.
Fediverse address:
@gentoo@fosstodon.org
News, reviews, tutorials and videos about Linux and free open source software.
Fediverse address (main):
@9to5linux@floss.social
Fediverse address (videos):
@9to5linux@tilvids.com
Brand new project trying to create a short video clip sharing service for the Fediverse (sort of a free open federated alternative to TikTok or Vine). It’s still in its very early rough draft stages, but is making steady progress.
Fediverse address:
@Goldfish@mstdn.social
Free open source federated blogging platform. The interface and options are minimalist, with the focus on reading text with as few distractions as possible. It’s part of the Fediverse, so you can follow WriteFreely blogs from Mastodon etc. You can host a WriteFreely server yourself, or sign up on an existing server.
Fediverse address (main):
@writefreely@writing.exchange
Fediverse address (blog):
@writefreely@blog.writefreely.org
Popular free open source multiplatform game engine for 3D and 2D games.
Fediverse address:
@godotengine@mastodon.gamedev.place
Free open source transport network simulation, somewhat inspired by Transport Tycoon. It can be played online through public or private servers, and includes lots of support for mods.
Fediverse address:
@simutrans@fosstodon.org
Free open source software for running XMPP instant messaging servers, and one of the most popular ways to set up an XMPP server.
Fediverse address:
@prosodyim@fosstodon.org
Linux distribution for data science, bundled with free open source data science tools and apps. Based on Ubuntu and Lubuntu.
Fediverse address:
@datlinux@fosstodon.org
Free open source software enthusiast, teaches computing with FOSS, blogs about Ubuntu and libre software.
Fediverse address:
@ademalsasa@floss.social
Federated free open source communications platform with support for messaging and calling. The platform has many different apps available with the most popular being Element (formerly known as Riot).
Fediverse address:
@matrix@mastodon.matrix.org
Linux distribution based on Debian designed for computer security tasks such as digital forensics, penetration testing, security research and reverse engineering.
Fediverse address:
@kalilinux@infosec.exchange
A free open source video conferencing site which aims to provide a privacy-friendly alternative to proprietary services. Calls are made through the web browser using the BigBlueButton platform.
Fediverse address (in German and English):
@senfcall@chaos.social
Free open source 3D game engine, for creating Minecraft-style games and worlds. There’s a large range of game modes and mods available, including online multiplayer. It’s available for Linux, Mac, Windows, BSD and Android.
Fediverse address:
@Minetest@fosstodon.org
Project creating free open source health information systems for use by hospitals and other medical institutions.
Fediverse address:
@gnuhealth@mastodon.social
AUR-style package manager for Ubuntu.
Fediverse address:
@pacstall@social.linux.pizza
Non-profit initiative helping people use technology in a more financially, socially and environmentally sustainable manner, mainly relying on FOSS wherever possible. Provides help to everyone, regardless of technical skill level. Based in South Yorkshire, UK.
Fediverse address (main):
@freetechproject@floss.social
Fediverse address (videos):
@freetechproject@tilvids.com
Free open privacy-friendly replacement for closed source Android apps that some accessories require, for example some brands of fitness trackers, smartwatches, headphones etc.
Fediverse address:
@gadgetbridge@social.anoxinon.de
Makes lovely crochet figures based on free open source projects, well known game characters and other subjects.
Fediverse address (main, in French):
@doomyflo@framapiaf.org
Fediverse address (photos, in French):
@Doomyflocrochet@pix.diaspodon.fr
The oldest Linux gaming site in the world that is still operating, Holarse was founded in 2000. German-language website which also provides a variety of libre services including XMPP chat, a Matrix room and Minetest servers.
Fediverse address (in German):
@holarse@mastodon.social
Community that promotes free open software which is lightweight, simply designed and easy to use.
Fediverse address:
@simpletools@fosstodon.org
A special version of Linux that aims for maximum privacy and anonymity. Tails runs entirely off a USB stick, it uses the Tor network to connect to the internet, and by default it resets/forgets everything you’ve done when you switch it off. (You can also optionally save encrypted data if you need to keep something.)
Fediverse address:
@tails@fosstodon.org
Free open source self-hostable software forge, a community fork of Gitea supported by Codeberg. Federation of forges through ActivityPub planned.
Fediverse address:
@forgejo@floss.social
Professional illustrator and artist from India, free open source software enthusiast who uses libre tools such as Krita.
Fediverse address:
@raghukamath@mastodon.art
Free open source web interface for 3D printers, which lets you remotely control them from within your web browser.
Fediverse address:
@octoprint@fosstodon.org
A non-profit coalition of Dutch broadcasters, museums, arts organisations etc. campaigning for an ethical internet. They organise conferences on this topic, and run their own Fediverse servers.
Fediverse address (main, in Dutch and English): @publicspaces@publicspaces.net
Fediverse address (videos, in Dutch and English): @publicspaces@video.publicspaces.net
Fediverse address (podcasts, in Dutch and English): @TheTimeIsNow@podcast.publicspaces.net
Linux distribution based on the “unstable” branch of Debian.
Fediverse address:
@siductionlinux@floss.social
Free open source packet analyser software, used for network troubleshooting and development.
Fediverse address:
@wireshark@ioc.exchange
Version of Debian Linux designed for mobile devices.
Fediverse address:
@mobian@fosstodon.org
Free open source end-to-end encrypted peer-to-peer messaging system for Android and Linux which can be used online through Tor, or locally through wifi or bluetooth. Because it has local support it can be used even if the internet is shut down or broken, for example at demonstrations or in disaster zones.
Fediverse address:
@briar@fosstodon.org
Organisation that aims to provide free open federated alternatives to sites like CouchSurfing or Warm Showers.
Fediverse address:
@ohn@floss.social
Free open source third party PixelFed app for Android, available through F-Droid.
Fediverse address:
@PixelDroid@fosstodon.org
German company which sells smartphones with pre-installed de-googlised Android or Ubuntu Touch.
Fediverse address (in English and German):
@volla@mastodon.social
Works on Firefox for Mozilla, and runs a live stream featuring programming techniques called “The Joy of Coding”. The stream is on Twitch and PeerTube, and there’s an archive of past episodes on PeerTube.
Fediverse address:
@mconley@diode.zone
Free open source personal cloud software for sharing files, collaborative editing, instant messaging, personal music streaming and lots of other things. It’s extremely flexible thanks to lots of add-on apps that can be installed through the graphical interface. Nextcloud instances can be accessed through web browsers or dedicated apps for all major platforms. You can host a cloud yourself or sign up on an existing instance.
Fediverse address:
@nextcloud@mastodon.xyz
Free open source online form system. The developers offer form services hosted on their own website, or you can self-host the software if you prefer.
Fediverse address:
@liberaforms@fosstodon.org
Makes calm relaxing tutorial videos about making your own soaps, clothes, craft projects, and using libre software.
Fediverse address:
@craftykat@diode.zone
Photo sharing network on the Fediverse, this is sort of the Fedi’s alternative to Instagram. You can follow people on Pixelfed from Mastodon etc and vice versa.
Fediverse address:
@pixelfed@mastodon.social
Developing the next generation of Fediverse platforms, led by Christine Lemmer-Webber who co-authored the ActivityPub technical standard which the current Fediverse is built upon. (Previously known as the Spritely Project.)
Fediverse address:
@spritelyinst@octodon.social
Free open source software to help organise the translation and localisation of projects. Very widely used by the libre software community to allow crowdsourced translation.
Fediverse address:
@weblate@fosstodon.org
Stable lightweight fork of WordPress, using the TinyMCE classic editor instead of the block editor (Gutenberg). Free open source software, run by a community-supported non-profit organisation.
Fediverse address:
@classicpress@fosstodon.org
Free open source alternative to Google Keep. It lets you take notes and sync them with a NextCloud account. The apps are available for Android (through F-Droid and Google Play) and NextCloud.
Fediverse address:
@Carnet@framapiaf.org
Information Security blogger, live streamer and educator, runs the Infosec blog Taggart Tech.
Fediverse address:
@mttaggart@fosstodon.org
Free open source platform-independent ad-blocker, which can also block trackers, malware etc.
Fediverse address:
@tblock@fosstodon.org
A Fediverse discussion group about Home Assistant, the free open source home automation software. (Click here ⧉ for more about how groups work.)
Fediverse address:
@homeassistant@a.gup.pe
Website from the creator of Fedi.Directory (that’s me!) which helps non-technical people create their own online services through managed hosting providers. Managed hosting means the hosting company does all the technical stuff behind the scenes, but you own and run the service. This allows anyone to make their own Fediverse servers, personal clouds, music streaming services and much more.
Fediverse address:
@homegrown@social.growyourown.services
Free open source project to replace the Nintendo 3DS and Wii U online services when Nintendo shuts them down.
Fediverse address:
@pretendo@pretendo.network
Portuguese language podcast about Ubuntu, libre software and other topics.
Fediverse address (in Portuguese):
@pup@masto.pt
German-language news site and podcast about Linux and free open source software.
Fediverse address (in German):
@gnulinux@social.anoxinon.de
Widely used free open source professional painting application, also suited to drawing, illustration and 2D animation work.
Fediverse address (main):
@Krita@mastodon.art
Fediverse address (videos):
@kritafoundation@share.tube
Fediverse address (community):
@krita_artists@mastodon.art
Web-based OpenStreetMap graphical inteface which lets you view themed maps and edit them with an OSM ID.
Fediverse address:
@MapComplete@en.osm.town
Free open source embroidery design extension for the FOSS drawing software Inkscape. Their Fediverse account provides video tutorials for using Ink/Stitch.
Fediverse address (in German and English):
@inkstitch@diode.zone
Excellent free open source video editing software, it’s a proper NLE with many useful features, and probably the most popular libre alternative to Adobe Premiere. As the name suggests, it’s made by the KDE FOSS community.
Fediverse address:
@kdenlive@floss.social
Videos mostly about technology, especially free open source software, Linux and PC accessories. The videos are a mixture of features, tutorials and news items. There are also some interesting wild card non-technical videos too.
Fediverse address:
@art@tilvids.com
Free open source web analytics software, a privacy-friendly libre alternative to Google Analytics. It allows you to keep track of visits to your website without handing over visitors data to Google. There are third party paid hosting services, or you can self-host it for free.
Fediverse address:
@Matomo@mastodon.social
Free open source note taking and to-do app which you can sync online with lots of popular cloud services including Nextcloud. Available for Android, iOS, Linux, Mac and Windows.
Fediverse address:
@joplinapp@mastodon.social
Free open source operating system for smartwatches, based on Linux.
Fediverse address:
@AsteroidOS@fosstodon.org
Free open source online office suite. There’s an official paid service available, or you can host it yourself for free.
Fediverse address:
@ONLYOFFICE@fosstodon.org
Free open source cross-platform game engine designed to be easy to learn. The engine’s code is FOSS, with optional paid-for cloud services on the official website.
Fediverse address:
@gdevelop@mastodon.gamedev.place
Grassroots group that holds an annual event to promote free open software and hardware. They are based in Seattle, WA, USA, but their events have been online recently due to the pandemic.
Fediverse address (main):
@SeaGL@mastodon.social
Fediverse address (photos):
@SeaGL@pixelfed.social
Software engineer, FOSS enthusiast and retro game creator. Currently making new free games for retro computers like the ZX Spectrum, Amstrad CPC, MSX and Commodore 64.
Fediverse address:
@reidrac@social.sdf.org
European company selling de-Googlised Android smartphones. The phones themselves are made by established manufacturers such as Fairphone and Samsung, and can be refurbished models if you want to reduce the impact on the environment (or if you just want a cheaper phone).
Fediverse address:
@iode@mastodon.online
Organisation that helps co-operatives and collectives to create their own online clouds using free open source software.
Fediverse address:
@coopcloud@social.coop
Video blogger who covers FOSS, community projects, Linux and other related tech stuff.
Fediverse address:
@geotechdigital@tilvids.com
Official account for the free open map of the world that anyone can edit.
Fediverse address:
@openstreetmap@en.osm.town
Free open source Mastodon app for Android phones, available through F-Droid and Google Play. Can also be used by other Fediverse platforms that use the Mastodon API such as PixelFed and GoToSocial.
Fediverse address:
@Tusky@mastodon.social
Very popular free open source e-mail app for Android. It is due to become the official Thunderbird app for Android devices.
Fediverse address:
@k9mail@fosstodon.org
Free open source collaborative markdown editor. HedgeDoc is web-based and you can host it yourself if you want to. (HedgeDoc was previously known as CodiMD.)
Fediverse address:
@hedgedoc@fosstodon.org
Free open source strategy game about human history, inspired by the Civilization games.
Fediverse address:
@freeciv@fosstodon.org
Independent site with news and articles about mobile devices running Linux.
Fediverse address:
@tuxdevices@fosstodon.org
Survival game mod for the Minetest game engine
Fediverse address:
@survivetest@fosstodon.org
Free open source Mastodon app for iPhone, iPad and Apple Mac.
Fediverse address:
@IceCubesApp@mastodon.online
Free open knowledge base, available for anyone to use on any project. It is collaboratively edited like Wikipedia, and its contents is public domain.
Fediverse address:
@wikidata@wikis.world
Upcoming free open source UI/UX design tool for Linux. Aimed at web designers and graphic designers, and is currently in alpha testing.
Fediverse address:
@akiraux@fosstodon.org
Free open source operating system which visually resembles MacOS, but is built upon Ubuntu Linux.
Fediverse address:
@elementary@mastodon.social
Free open source photography app which lets you organise, view and develop raw image files, somewhat like a libre alternative to Adobe Lightroom (though the feature sets are very different). It’s available for Linux, Mac and Windows.
Fediverse address:
@darktable@photog.social
A free open source collaborative online calendar. It allows local communities to share a common calendar that anyone can post events to, even people without an account. (Posts are moderated to prevent spam though.) You can also interact with Gancio through the Fediverse, and it has RSS support for people who want to follow through feed readers.
Fediverse address:
@gancio@mastodon.cisti.org
The E Foundation develops and maintains a free open source privacy-friendly de-Googled version of Android, which you can either install yourself on your existing phone or buy pre-installed on a new phone. They sell pre-installed phones through the Murena brand, all of which are manufactured by established companies like Fairphone, Samsung etc.
Fediverse address (E Foundation):
@e_mydata@mastodon.social
Fediverse address (Murena):
@murena@mastodon.social
Develops and maintains a free open source desktop environment used by many popular versions of Linux including Ubuntu, Debian, Fedora etc.
Fediverse address (main):
@gnome@floss.social
Fediverse address (in Portuguese):
@gnome_br@mastodon.social
Free open source Android app for using many different Fediverse platforms including Mastodon, PixelFed, Friendica, PeerTube and more. It’s free if you download it from F-Droid, and paid if you download from Google Play.
Fediverse address:
@apps@toot.fedilab.app
Private company which develops free open software for instant messaging through XMPP. They have a number of XMPP projects including server software and apps for MacOS (Beagle), iOS (Siskin) and Android (Stork).
Fediverse address:
@tigase@fosstodon.org
An off-beat podcast about free open software, making stuff, handicrafts and related topics.
Fediverse address:
@fossandcrafts@octodon.social
Free and Open Source Software Optimization Engineering. Focused on low level vectorization of host and accelerator devices. Very into puns, obsessed with pushing the boundaries of CFD performance.
Fediverse address:
@fclc@mast.hpc.social
Free open source interface prototyping and design platform. It operates entirely through web browsers using SVG, so it can be used collaboratively and on any OS.
Fediverse address:
@penpot@fosstodon.org
Free open source federated audio platform, which allows people to discover, follow and share music and podcasts on the Fediverse.
Fediverse address:
@funkwhale@social.funkwhale.audio
Simple data-driven free open source game engine, built in Rust.
Fediverse address:
@bevy@mastodon.social
Technology news and features website covering free open source software, especially from a professional careers point of view.
Fediverse address:
@fosslife@fosstodon.org
Manufacturer of low-price Linux-based smartphones, computers, smartwatches etc. Their products are aimed at technology fans who like to customise and tinker with gadgets.
Fediverse account (main):
@PINE64@fosstodon.org
Fediverse account (videos):
@pine64tilvids@tilvids.com
Fediverse account (European shop):
@pine64eu@fosstodon.org
Linux distribution based on Ubuntu, featuring a customised desktop environment called “COSMIC”. Maintained by the computer manufacturer System 76.
Fediverse address:
@pop_os_official@fosstodon.org
Regular meetings of people enthusiastic about the Godot FOSS game engine, based in hacker spaces in Berlin, Germany.
Fediverse address:
@GodotUserGroupBerlin@mastodon.gamedev.place
Video series featuring informal discussion of the history of various Linux distributions and related topics
Fediverse address:
@linuxuserspace@tilvids.com
New project to make a Fediverse alternative to Tumblr. It’s still at a very early pre-Alpha stage, but is making progress.
Fediverse address:
@Swanye@fosstodon.org
Free open source forum software very widely used by many different websites. Maintained since 2014.
Fediverse address:
@Discourse@mastodon.social
A non-profit organisation which promotes free open source software and defends it in the courts if necessary.
Fediverse address:
@conservancy@sfconservancy.org
Graphical installer software that makes it extremely easy to install alternative operating systems on Android phones. Supports many devices and many kinds of Android ROMs.
Fediverse address:
@openandroidinstaller@fosstodon.org
One of the internet’s longest-running news sites about free open source software and software development. Originally founded in 1998 when “LWN” stood for “Linux Weekly News”, but they now cover much more than that, with new items appearing daily.
Fediverse address:
@LWN@fosstodon.org
Annual technical conference for people working on and with BSD-based operating systems and related projects. Held in Ottawa, Canada, since 2004.
Fediverse address:
@bsdcan@bsd.network
Software developer and retro computing enthusiast, collects old computers and creates retro software for MS-DOS such as the FOSS Mastodon client DOStodon and the JavaScript environment DOjS.
Fediverse address:
@dec_hl@mastodon.social