Free, open-source website blocker for Mac that creates unbreakable system-level blocks. Once activated, blocks cannot be disabled even by restarting the computer or deleting the app.
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SelfControl
SelfControl is the best completely free website blocker for Mac. It's open-source, donation-supported, and creates system-level blocks that can't be bypassed even by restarting your computer. It stands out for one key reason: it's impossible to undo once activated.
SelfControl is designed to be impossible to bypass:
This extreme approach makes SelfControl uniquely effective for people who need ironclad commitment to avoid distractions.
macOS Exclusive: Available only for Mac computers.
Completely Free: No cost, no subscriptions, no paid features. Optional donations appreciated.
Before using SelfControl, users should understand:
While Freedom ($40/year) and FocusMe offer more features and cross-platform support, SelfControl wins for:
Active open-source community maintains and improves the app. Users can contribute code, report bugs, or suggest features on GitHub.
Regularly updated to maintain compatibility with new macOS versions. The project has been maintained for over a decade, demonstrating long-term sustainability.
Consistently ranked as one of the best free productivity apps for Mac in 2026, particularly praised for its uncompromising approach to distraction blocking.
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