Time

Track Work Time
Track your work time

Open TimeLimit
Simply limit the usage duration

TimeLimit.io
Flexibly limit the usage duration

toodoo
toodoo - yet another task manager

Infusion Tea Timer
Tea timer app with support for multiple infusions.

Cofi - Brew Timer
Open source coffee brew timer

Petals
Take back control of your weed consumption

ShiftCal
Shift Calendar

Tempus Romanum
Latin date generator with a widget

Persian Calendar
Android Persian Calendar

Giggity
Schedule viewer for conferences and other events

Ubuntu Countdown Widget
Keep an eye on the days remaining before the new release of Ubuntu!

Suntimes
Sunlight and moonlight times (and alarms)

Time Cop
A time tracking app that respects your privacy without being fancy.

plees-tracker
Plees Tracker is a simple sleep tracker for your Android phone.

Foreground
Task manager app, supporting syncing with Taskwarrior.

GPN 2022
GPN 2022 Schedule

DeuFeiTage
Find the German public holidays per state and year

Calendar Import-Export
Import, Export & Backup your calendars using ics files

Super Productivity
Free to do list & time tracker for programmers & designers

Grazer Linuxtage Schedule
Browse the "Grazer Linuxtage" schedule

Vacation Days
See when you’re free — Vacation Days helps you keep track of your days off.

Birday - Birthday Manager
A simple yet useful birthday manager. Birday is free and ad-free! 🥳

Did I Take My Meds?
An app to manage and track medication doses

PolyCal
colorful, text-based calendar widget

rC3 Schedule
Conference program app for the Remote Chaos Experience (rC3)

DiVOC Schedule
DiVOC Schedule

36C3 Schedule
Conference program app for the Chaos Communication Congress

Etar - OpenSource Calendar
Etar is a material designed open source calendar, for everyone!

BetterCounter
A simple, multi-purpose counter app