Open Source Time Tracking Tools for Android

Free multi-platform software for task management, time tracking, and personal project management. Seamless integration with Jira, GitHub, and GitLab.

Open-source app tracking time on devices, maintaining privacy and versatility, with features like productivity insights, Pomodoro timers, and local data storage.

Reef helps you stay focused by blocking distracting apps, setting daily routines, and giving you insights into your screen time — all without ads, clutter, or tracking.

Simple Time Tracker helps you track how much time you spend during the day on different activities. Start new activities with one click. View previous records and statistics over time. The app is free and open source. Also, widgets, backups, notifications and dark mode.

Free, open-source invoicing tool with PDF generation, online payment support, invoice templates, multi-gateway integration, and business customization options.

Mobile app for planning tasks for the day with multimodule architecture, MVI, Compose, Room, Voyager, AlarmManager, Notification, Charts.

The Floating Timer app features both a countdown timer and stopwatch that will float on top of other running apps. This app is useful to time activities such as: Exam practice, gaming speed runs (speed-running), gaming boss fights, cooking.

Tie Tracker is a free and open source time tracking application. Its is meant to be simple and aims to allow you to track working hours across projects.

Micro Timer is a tiny, microwave-inspired timer app for Android. Instead of inventing yet another clever, pretty, tedious method of inputing time, Micro Timer uses the tried-and-true 10-key pad commonly found on microwave ovens.

Feature rich event, group and time managment system.

Displays your screen time in a permanent notification.

The main feature of this app is there is no "stop" option. Once you have completed one activity, you have to set a timer for the next one, even if it's a "sleeping" activity.

Pomozen is a modern, open-source Pomodoro timer app designed to boost productivity and focus. It applies the Pomodoro Technique, structuring work into focused intervals followed by short breaks.

Privacy-focused activity tracking. Understand how you spend your time with detailed analytics and local-only data storage.

A cross platform open source alternative to forest focus.

– Display reliable app usage statistics from up to ten days before the app was installed

A time tracking app that respects your privacy and gets the job done without getting too fancy.

"Pendulums" is a completely free time tracking tool which helps you to manage your time in a better manner using an easy to use interface, useful statistics and unlimited in team members on each project.

TimeTracker helps you record the amount of time you spend on activities; for example, for recording time in a time sheet at work. It provides ways to view, edit, and filter times, and provides a time sheet report as well.

Automated user activity monitoring system - track all data access events and creates detailed audit records for secure archival.