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

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

National Film Board of Canada / Office national du film du Canada

Canada’s public film producer and distributor, founded in 1939. Its massive archive is available to view online, and it continues to produce documentaries, animations, web programmes and alternative dramas.

Fediverse address (in English):
@NFB@socel.net

Fediverse address (in French):
@onf@socel.net

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_community@tube.kockatoo.org

Fediverse address (conference videos):
@kde@conf.tube

Fediverse address (Spanish language community):
@kde_espana@floss.social

YunoHost

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@toot.aquilenet.fr

Fediverse address (video account in English and French):
@yunohost@cinema.yunohost.support