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
ActivityWatch is an open-source time tracking tool ideal for individuals and small teams, emphasizing privacy and customization. In contrast, DeskTime is a more versatile, subscription-based solution with a user-friendly interface and features tailored for team productivity and business insights.