Simple Time Tracker
Track how much time you spend on different activities during the day.GPL-3.0-or-later
FairEmail
Fully featured email client. Neat, intuitive user interface. Privacy friendlyGPL-3.0-only
Vacation Days
See when you’re free — Vacation Days helps you keep track of your days off.Apache-2.0
Tuta Mail
Encrypted email & calendar service - easy to use, secure by design.GPL-3.0-or-later
MedTimer
Med reminders and history with full offline privacyMIT
Oversec
Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!GPL-3.0-or-later
HeliBoard
Customizable open-source keyboardGPL-3.0-only
Trail Sense
Use your phone's sensors to assist with wilderness treksMIT
Catima — Loyalty Card Wallet
For your barcodes, memberships, loyalty programs, coupons and tickets.GPL-3.0-or-later
NoNonsense Notes
A simple notepad and to-do app with an excellent navigationGPL-3.0-or-later
FreeOTP+
Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticatorApache-2.0
AntennaPod
Easy-to-use, flexible and open-source podcast manager and playerGPL-3.0-only
My Expenses
Easy to use personal finance manager: rich functionality and Open SourceGPL-3.0-only