Senfcall.de

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

Quote Me

Bot which generates nice-looking images based on specific Fediverse posts.

Fediverse address:
@quoteme@mas.to

Hare

A new programming language currently under development. The developers describe it as: “a systems programming language designed to be simple, stable, and robust” and “well-suited to low-level, high performance tasks.” Apparently it fits onto one 3.5 inch disk! 💾

Fediverse address:
@hare@fosstodon.org

Silverworker

Silversmith creating jewellery from mainly from silver and gemstones, but sometimes also other metals and materials. Publishes video tutorials on how each piece was designed and made.

Fediverse address:
@Silverworker@mastodon.world

FediMeteo Illinois

Weather forecast accounts for Illinois, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@aurora__illinois@us.fedimeteo.com
@berwyn__illinois@us.fedimeteo.com
@bloomington__illinois@us.fedimeteo.com
@bolingbrook__illinois@us.fedimeteo.com
@champaign__illinois@us.fedimeteo.com
@chicago__illinois@us.fedimeteo.com
@decatur__illinois@us.fedimeteo.com
@des_plaines__illinois@us.fedimeteo.com
@elgin__illinois@us.fedimeteo.com
@evanston__illinois@us.fedimeteo.com
@galesburg__illinois@us.fedimeteo.com
@joliet__illinois@us.fedimeteo.com
@moline__illinois@us.fedimeteo.com
@naperville__illinois@us.fedimeteo.com
@normal__illinois@us.fedimeteo.com
@oak_lawn__illinois@us.fedimeteo.com
@orland_park__illinois@us.fedimeteo.com
@palatine__illinois@us.fedimeteo.com
@peoria__illinois@us.fedimeteo.com
@rock_island__illinois@us.fedimeteo.com
@rockford__illinois@us.fedimeteo.com
@schaumburg__illinois@us.fedimeteo.com
@skokie__illinois@us.fedimeteo.com
@springfield__illinois@us.fedimeteo.com
@waukegan__illinois@us.fedimeteo.com

BookWyrm

The Fediverse’s alternative to Goodreads. You can keep track of your books, write reviews, follow other readers and more. Also, as it’s part of the Fediverse you can follow BookWyrm members from Mastodon etc.

Fediverse address:
@bookwyrm@tech.lgbt

LibreOffice

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

Collabora Office

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

The Prototype Fund

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

Dr Robert Minchin

Astronomer at the National Radio Astronomy Observatory in the United States, and previously at (amongst others) the famous Arecibo in Puerto Rico, and the flying telescope SOFIA.

Fediverse address:
@Robminchin@mastodon.online

Phoenix Radio

Friendly internet radio station with live human presenters playing a wide variety of music from the 1950s to the present day. Live shows can be interacted with, and can also be listened to later on demand.

Fediverse address:
@PhoenixRadio1208@phoenixradio1208.com

FediMeteo Florida

Weather forecast accounts for Florida, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@bonita_springs__florida@us.fedimeteo.com
@cape_coral__florida@us.fedimeteo.com
@clearwater__florida@us.fedimeteo.com
@coral_springs__florida@us.fedimeteo.com
@daytona_beach__florida@us.fedimeteo.com
@deltona__florida@us.fedimeteo.com
@fort_lauderdale__florida@us.fedimeteo.com
@gainesville__florida@us.fedimeteo.com
@hialeah__florida@us.fedimeteo.com
@hollywood__florida@us.fedimeteo.com
@jacksonville__florida@us.fedimeteo.com
@lakeland__florida@us.fedimeteo.com
@miami__florida@us.fedimeteo.com
@miramar__florida@us.fedimeteo.com
@naples__florida@us.fedimeteo.com
@ocala__florida@us.fedimeteo.com
@orlando__florida@us.fedimeteo.com
@palm_bay__florida@us.fedimeteo.com
@panama_city__florida@us.fedimeteo.com
@pembroke_pines__florida@us.fedimeteo.com
@pensacola__florida@us.fedimeteo.com
@port_st_lucie__florida@us.fedimeteo.com
@st_petersburg__florida@us.fedimeteo.com
@tallahassee__florida@us.fedimeteo.com
@tampa__florida@us.fedimeteo.com

FediMeteo West Virginia

Weather forecast accounts for the state of West Virginia, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@barboursville__west_virginia@us.fedimeteo.com
@beckley__west_virginia@us.fedimeteo.com
@bluefield__west_virginia@us.fedimeteo.com
@bridgeport__west_virginia@us.fedimeteo.com
@buckhannon__west_virginia@us.fedimeteo.com
@charleston__west_virginia@us.fedimeteo.com
@clarksburg__west_virginia@us.fedimeteo.com
@elkins__west_virginia@us.fedimeteo.com
@fairmont__west_virginia@us.fedimeteo.com
@huntington__west_virginia@us.fedimeteo.com
@keyser__west_virginia@us.fedimeteo.com
@lewisburg__west_virginia@us.fedimeteo.com
@martinsburg__west_virginia@us.fedimeteo.com
@morgantown__west_virginia@us.fedimeteo.com
@oak_hill__west_virginia@us.fedimeteo.com
@parkersburg__west_virginia@us.fedimeteo.com
@point_pleasant__west_virginia@us.fedimeteo.com
@princeton__west_virginia@us.fedimeteo.com
@ripley__west_virginia@us.fedimeteo.com
@romney__west_virginia@us.fedimeteo.com
@south_charleston__west_virginia@us.fedimeteo.com
@st_albans__west_virginia@us.fedimeteo.com
@vienna__west_virginia@us.fedimeteo.com
@weirton__west_virginia@us.fedimeteo.com
@wheeling__west_virginia@us.fedimeteo.com

Interzone Magazine

Long-running award-winning science fiction and fantasy magazine founded in 1982, publishing short stories and non-fiction pieces as well as full colour illustrations. It publishes both established and unknown writers, and its past contributors include many luminaries such as Terry Pratchett, Iain M. Banks, Gwyneth Jones, J.G. Ballard, William Gibson etc.

Fediverse address:
@InterzoneMag@mastodon.online

DataRequests.org / Datenanfragen.de

Non-profit organisation which is promoting people’s right to privacy, and making people more aware of their privacy rights.

Fediverse address (main account, in English):
@datarequestsorg@mastodon.social

Fediverse address (main account, in German):
@datenanfragende@mastodon.social

Fediverse address (technical account, in English):
@dev_at_datarequestsORG@chaos.social

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

Haus der Astronomie / Centre for Astronomy Education and Outreach

Education centre in Germany which holds workshops, summer schools and conferences all about astronomy and related topics. Operated by the Max Planck Society, and created in partnership with the Klaus Tschira Foundation, the University of Heidelberg and the City of Heidelberg.

Fediverse address (in German and English):
@hausderastronomie@academiccloud.social

Wissenschaftlicher Beirat der Bundesregierung Globale Umweltveränderungen / German Advisory Council on Global Change

Indpendent scientific body advising the German Federal Government on the climate crisis and other threats to the planet’s ecosystems.

Fediverse address (in German and English):
@wbgu@social.bund.de

FediMeteo Slovenia

Weather accounts for cities and towns in Slovenia. Follow an account to see its forecasts in Slovenian.

Fediverse addresses (in Slovenian):
@celje@sl.fedimeteo.com
@idrija@sl.fedimeteo.com
@izola@sl.fedimeteo.com
@jesenice@sl.fedimeteo.com
@kamnik@sl.fedimeteo.com
@koper@sl.fedimeteo.com
@kranj@sl.fedimeteo.com
@ljubljana@sl.fedimeteo.com
@logatec@sl.fedimeteo.com
@maribor@sl.fedimeteo.com
@murska_sobota@sl.fedimeteo.com
@nova_gorica@sl.fedimeteo.com
@novo_mesto@sl.fedimeteo.com
@piran@sl.fedimeteo.com
@postojna@sl.fedimeteo.com
@ptuj@sl.fedimeteo.com
@sezana@sl.fedimeteo.com
@slovenj_gradec@sl.fedimeteo.com
@trbovlje@sl.fedimeteo.com
@velenje@sl.fedimeteo.com

FediMeteo Croatia

Weather accounts for cities and towns in Croatia. Follow an account to see its forecasts in Croatian.

Fediverse addresses (in Croatian):
@bjelovar@hr.fedimeteo.com
@cakovec@hr.fedimeteo.com
@dubrovnik@hr.fedimeteo.com
@karlovac@hr.fedimeteo.com
@koprivnica@hr.fedimeteo.com
@krk@hr.fedimeteo.com
@makarska@hr.fedimeteo.com
@metkovic@hr.fedimeteo.com
@nova_gradiska@hr.fedimeteo.com
@opatija@hr.fedimeteo.com
@osijek@hr.fedimeteo.com
@pakrac@hr.fedimeteo.com
@porec@hr.fedimeteo.com
@pozega@hr.fedimeteo.com
@pula@hr.fedimeteo.com
@rijeka@hr.fedimeteo.com
@senj@hr.fedimeteo.com
@sibenik@hr.fedimeteo.com
@sisak@hr.fedimeteo.com
@slavonski_brod@hr.fedimeteo.com
@solin@hr.fedimeteo.com
@split@hr.fedimeteo.com
@trogir@hr.fedimeteo.com
@umag@hr.fedimeteo.com
@varazdin@hr.fedimeteo.com
@velika_gorica@hr.fedimeteo.com
@vinkovci@hr.fedimeteo.com
@vukovar@hr.fedimeteo.com
@zadar@hr.fedimeteo.com
@zagreb@hr.fedimeteo.com

The Tor Project

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

FediMeteo Netherlands

Dutch-language weather forecast accounts for cities in the Netherlands, using data from Open-Meteo.

Fediverse addresses (in Dutch, organised by city):
@almelo@nl.fedimeteo.com
@almere@nl.fedimeteo.com
@amersfoort@nl.fedimeteo.com
@amsterdam@nl.fedimeteo.com
@apeldoorn@nl.fedimeteo.com
@arnhem@nl.fedimeteo.com
@assen@nl.fedimeteo.com
@breda@nl.fedimeteo.com
@den_haag@nl.fedimeteo.com
@deventer@nl.fedimeteo.com
@dordrecht@nl.fedimeteo.com
@eindhoven@nl.fedimeteo.com
@emmen@nl.fedimeteo.com
@enschede@nl.fedimeteo.com
@groningen@nl.fedimeteo.com
@haarlem@nl.fedimeteo.com
@haarlemmermeer@nl.fedimeteo.com
@helmond@nl.fedimeteo.com
@hengelo@nl.fedimeteo.com
@hilversum@nl.fedimeteo.com
@leeuwarden@nl.fedimeteo.com
@leiden@nl.fedimeteo.com
@maastricht@nl.fedimeteo.com
@nijmegen@nl.fedimeteo.com
@oss@nl.fedimeteo.com
@roosendaal@nl.fedimeteo.com
@rotterdam@nl.fedimeteo.com
@s_hertogenbosch@nl.fedimeteo.com
@sittard_geleen@nl.fedimeteo.com
@tilburg@nl.fedimeteo.com
@utrecht@nl.fedimeteo.com
@venlo@nl.fedimeteo.com
@zaanstad@nl.fedimeteo.com
@zoetermeer@nl.fedimeteo.com
@zwolle@nl.fedimeteo.com

FediMeteo Manitoba

Weather forecast accounts for Manitoba, Canada. Follow an account to see forecasts for that town or city.

Fediverse addresses (in English & French):
@brandon__manitoba@ca.fedimeteo.com
@churchill__manitoba@ca.fedimeteo.com
@dauphin__manitoba@ca.fedimeteo.com
@flin_flon__manitoba@ca.fedimeteo.com
@gimli__manitoba@ca.fedimeteo.com
@morden__manitoba@ca.fedimeteo.com
@portage_la_prairie__manitoba@ca.fedimeteo.com
@selkirk__manitoba@ca.fedimeteo.com
@steinbach__manitoba@ca.fedimeteo.com
@the_pas__manitoba@ca.fedimeteo.com
@thompson__manitoba@ca.fedimeteo.com
@winkler__manitoba@ca.fedimeteo.com
@winnipeg__manitoba@ca.fedimeteo.com