CalSync - Notification Calendar Sync

Sync notification time info to calendar automaticallyGPL-3.0-or-later

DigiPaws - Digital Wellbeing and App Blocker

Monitor and Cut Down Your Screen Time EffectivelyGPL-3.0-or-later

Nighthawk Wallet

Private Money in your pocket.Apache-2.0

Calculator M3

Clean, private calculator with zero data collection. Offline. No ads.GPL-3.0-only

AndrOBD

Connect to your car's OBD systemGPL-3.0-or-later

RiPlay

Multiplatform Music PlayerGPL-3.0-only

WiGLE WiFi Wardriving FOSS

Map Wi-Fi access pointsBSD-3-Clause

AudioMeter

A simple VU-style audio meterGPL-3.0-or-later

WhereAreTheEyes

Build a map of surveillance cameras with other activistsBSD-3-Clause

Remote Video Camera

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

Coordinate Joker

A geocaching add-on – generates waypoints from formulas with up to 2 variablesGPL-3.0-or-later

Kolab Notes

Write notes and sync them with KolabLGPL-3.0-only

OpenTopoMap Viewer

Online client for maps from OTM project, import GPX and show own locationApache-2.0

Show Articles in Map

Show articles from Wikipedia near a given location in an interactive map.GPL-3.0-or-later

SaverTuner

Extension to the built-in Android Battery SaverBSD-2-Clause

CPU Info

Information about device hardware and softwareApache-2.0

LnkShortener

Shortens URLs using the Polr APIGPL-3.0-only

Break.Down.Timer

A timer with intermediate notificationsMIT

Fruit Radar

Find edible plants and share them online!GPL-3.0-only

Cheogram

Chat on the Jabber network (XMPP protocol); focus on features for gateway usersGPL-3.0-only