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
TimeCamp is a comprehensive time tracking tool with project management features and robust reporting, making it ideal for teams. In contrast, ActivityWatch is an open-source solution focused on automatic tracking and customization, suitable for individual users or those who prefer a DIY approach.