Open Source Gardens

Organisation connecting gardeners all around the world, encouraging the use of open source seeds and similar philosophies. Posts in English and German.

Fediverse address (main):
@opensourcegardens@chaos.social

Fediverse address (videos):
@opensourcegardens@tube.tchncs.de

Fediverse address (blog):
@handwritten@notes.opensourcegardens.info

WriteFreely

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

Bits & Bäume (“Bits & Trees”)

German campaign group which aims to build bridges between technology fans and environmentalists.

Fediverse address (main account, in German):
@bits_und_baeume@mastodon.bits-und-baeume.org

Fediverse address (Berlin branch, in German):
@bitsundbaeume_berlin@mastodon.bits-und-baeume.org

Fediverse address (Dresden branch, in German):
@BitsUndBaeumeDresden@dresden.network

AntennaPod

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

Tusky

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

Collabora Office

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

PodQuiz

Weekly trivia podcast running since 2005, possibly the longest-running trivia podcast in the world.

Fediverse address:
@podquiz@mas.to

nathan cranach

Exhibited artist who uses traditional drawing techniques with pen and pencil to create fascinating disturbing dream-like (or perhaps nightmare-like) works. Parts are half-drawn, or torn up, or covered, sometimes combining antique and modern elements anachronistically.

Fediverse address:
@cranach@tiny.tilde.website

KDE

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@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

Scientists for Future Deutschland

German branch of the campaign by scientists to save the planet from environmental destruction due to climate change. They are letting the world know the science of climate change, conducting research themselves and helping climate scientists to network.

Fediverse address (in German):
@S4F@climatejustice.global

NextCloud

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

Eureka Jeans

Makes handmade jeans as a hobby (not for sale) and posts photos of the works in progress, the tools used to make them and info about how they are made. Many of the jeans are based on techniques from specific periods of history.

Fediverse address: @eureka@pixelfed.social

Cryptomator

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

Dr Alán Aspuru-Guzik

Professor of Chemistry, Computer Science, Materials Science and Chemical Engineering at the University of Toronto. Founder of Zapata Computing and Kebotix. Directs Acceleration Consortium at University of Toronto. Editor-in-Chief of the Digital Discovery journal. Works on artificial intelligence and quantum computing.

Fediverse address:
@aspuru@mastodon.social

Delta Chat

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

Cool Bike Art

Posting interesting and notable images related to bicycles, for example photos of celebrities on bikes or works of art with cycling themes.

Fediverse address:
@CoolBikeArt1@mstdn.social

The Fedivision Song Contest

An annual event on the Fediverse where people are given a couple of weeks to create a song, then they are published and people on the Fediversevote on a favourite. Usually takes place on or around the time of the Eurovision Song Contest.

Fediverse address:
@fedivision@botsin.space