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@astrodon.social

Swiss Federal Department of Economic Affairs, Education and Research

The official account of Switzerland’s federal government’s ministry of Economic Affairs, Education and Research.

Fediverse address (in French, German, Italian):
@WBF_DEFR@social.admin.ch

Fediverse address of current head of department (in French, German, Italian):
@GuyParmelin@social.admin.ch

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

Radio Regentrude

German-language online music radio station. The station is non-profit, non-commercial, legally licensed, and funded by the people who run it. The music is international, programmes are mainly in German, but with some shows in English.

Fediverse address (in German): @Radio_Regentrude@troet.cafe

Topio e.V.

German non-profit organisation which helps ordinary people “de-Google” their phones by installing privacy-friendly operating systems. They run events to help with this including workshops, exhibitions, lectures etc.

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

Fediverse address (photos, in German):
@topio@pixelfed.social

Fediverse address (events, in German):
@topio_space@mobilize.berlin

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

Umweltministerium Hessen (Environment Ministry of Hesse)

Official account of the Environment Ministry in the German State of Hesse, handling the environment, climate protection, agriculture and consumer protection.

Fediverse address (in German):
@umwelthessen@social.hessen.de

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

MPS Göttingen (Max Planck Institute for Solar System Research)

Research establishment in Göttingen, Germany which studies all the bodies that make up our solar system including the Sun, the planets, the asteroids etc. The Institute develops scientific instruments that are sent into space on ESA and NASA missions.

Fediverse address (English and German):
@mpsgoettingen@astrodon.social

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

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

Computertruhe e.V.

Volunteers in Germany who repair abandoned computers so they can be donated to charity.

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

Fediverse address (Berlin branch, in German):
@ComputertruheBerlin@mastodon.social

Fediverse address (Chemnitz branch, in German):
@ComputertruheChemnitz@chaos.social

Fediverse address (Munich branch, in German):
@ComputertruheMuenchen@social.tchncs.de