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

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

Flameshot

Free open source screenshot app for Linux, Mac and Windows. It does more than just capture the screen, it also includes editing tools and upload features.

Fediverse address:
@flameshot@fosstodon.org

Fediphoto Lineage

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

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