ActivityWatch is a free opensource app that automatically tracks how you spend time on your devices such as phones and laptops. Developed by Erik Bjäreholt, Johan Bjäreholt and contributors
License: Open Source
Project Hamster is a highly customizable time-tracking tool focused on user privacy and community support, making it ideal for users who prefer manual tracking and customization. In contrast, ActivityWatch automates the tracking process and integrates with various tools, making it better suited for users who prefer real-time tracking and automated data collection.