F-Droid Search: easy to use

Light and slick material design music playerGPL-3.0-only

Upload files to a file host of your choiceMIT

The mobile helper for XMPP server adminsGPL-3.0-only

An app privacy guideGPL-3.0-or-later

Task manager app, supporting syncing with Taskwarrior.Apache-2.0

A little smart home app for Philips Hue, Arduino and other devicesGPL-3.0-only

Cross-platform app to take notes. Encrypted, open-source, sync across devices.GPL-3.0-only

A drawing program for children.GPL-2.0-or-later

Encrypted, easy-to-use XMPP instant messenger for your mobile deviceGPL-3.0-only

Stream King Gizzard and the Lizard Wizard shows right to your phone!Apache-2.0

Get APK files from installed appsMIT

Manage BitTorrent clientsGPL-2.0-or-later

Stream video/audio between two phones. Zero configuration.MIT

News without the fuss.AGPL-3.0-only

A simple, bare-bones, no-frills note taking appApache-2.0

Encrypted email & calendar service - easy to use, secure by design.GPL-3.0-or-later

An extensive, all in one, Monster Hunter Generations referenceMIT

Stingle Photos is a secure, end-to-end encrypted gallery and sync appGPL-3.0-only

Scientific calculator with sleek interface and powerful capabilitiesApache-2.0

Fast, refined app manager for power users, with root and Shizuku support.GPL-3.0-only