The best open source alternative to RescueTime is ActivityWatch. If that doesn't suit you, we've compiled a ranked list of other open source RescueTime alternatives to help you find a suitable replacement. Other interesting open source alternatives to RescueTime are: TimeScribe and Ziit.
RescueTime alternatives are mainly Time Tracking Tools but may also be Productivity & Utilities. Browse these if you want a narrower list of alternatives or looking for a specific functionality of RescueTime.
Free open-source time tracker that automatically monitors your device usage. Cross-platform support with local data storage for complete privacy.

ActivityWatch automatically tracks how you spend time on your devices while keeping your data completely private. This open-source alternative to RescueTime and ManicTime stores all information locally on your device, ensuring your activity data never leaves your control.
Key features include:
Perfect for monitoring productivity, tracking project time, managing screen habits, or gaining insights into your digital behavior. The tool helps you understand work-life balance, identify behavioral trends, and measure time spent on different activities without compromising your privacy.
Built by volunteers and maintained by the Bjäreholt brothers, ActivityWatch serves researchers, developers, and anyone seeking "self-knowledge through numbers." The active community contributes plugins, extensions, and improvements to make this the most comprehensive privacy-focused time tracker available.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.

TimeScribe revolutionizes how professionals track and analyze their time, turning raw data into meaningful productivity insights. This sophisticated tool goes beyond simple time logging to provide deep analytics about work patterns, project efficiency, and resource allocation.
Key features include:
Whether you're a freelancer billing clients, a team manager optimizing workflows, or an individual seeking better work-life balance, TimeScribe provides the granular insights needed to make informed decisions about time allocation and productivity improvements.
Monitor your coding sessions, analyze productivity patterns, and gain insights into your development workflow with comprehensive time tracking statistics.

Track every line of code and gain valuable insights into your development habits with comprehensive coding statistics. Monitor your daily coding sessions, analyze productivity patterns, and understand how you spend your programming time across different projects and languages.
Key features include:
Whether you're a freelance developer tracking billable hours or a team lead analyzing productivity metrics, this tool provides the data you need to optimize your coding workflow. The intuitive dashboard displays your coding patterns, helping you identify peak productivity hours and areas for improvement.
Perfect for developers who want to understand their coding habits, improve time management, and demonstrate productivity to clients or employers. The detailed statistics help you make data-driven decisions about your development process and career growth.