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
Project Hamster is time tracking for individuals. It helps you to keep track on how much time you have spent during the day on activities you choose to track.
ManicTime is automatic time tracking software, which tracks application and web page usage. Tracked data helps users keep track of time spent on various proje…