Productivity
Get things done — 200+ apps, all free and open source.
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Birthday Adapter
Puts your contacts' birthdays in your calendar
Persian Calendar
The Persian calendar, with holidays and prayer times
Note Calendar
A calendar you can write on
Note Delight
Notes locked behind your own password
DAVx⁵
Sync contacts and calendars with your own server
Habitica
Turn your habits and to-dos into a role-playing game
TeXslate
Write and compile LaTeX documents right on your tablet
Date Countdown
How many days until the thing you're waiting for
GlucoDataHandler
Blood sugar readings on your phone and watch
kitshn
Your Tandoor recipe box on your phone
Nextcloud Calendar Mobile
See and edit the calendar on your own Nextcloud server
Moe Memos
Jot down thoughts into your own notes server
Broccoli
Your own recipe collection, with a seasonal calendar
Butterfly
A powerful, minimal note-taking and drawing app
openCook
Photograph a cookbook page and get a recipe
MedTimer
Reminds you to take your medicine
Workout Timer
Time your rest between sets at the gym
Saber
Handwritten notes that sync across your devices
Fossify Notes
A simple text field for jotting down quick notes, no ads
Waterfly III
Log expenses on the go against your Firefly III books
Hidroly
A gentle reminder to drink some water
Money Manager Ex
Personal accounts and bills that stay on your phone
Fossify Calendar
A simple calendar with widgets and no ads
SilentNotes
Take notes without anyone reading them but you