# SelfControl

> 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.

- **URL:** https://selfcontrolapp.com
- **Category:** Productivity Tools
- **Tags:** Open Source, Macos, Distraction Blocking
- **Updated:** 2026-03-13 12:44
- **Canonical page:** https://timetrack.ever.works/items/selfcontrol

## Details

## Overview

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.

## Features

- **Unbreakable Blocks**: Once set, blocks cannot be disabled until the timer expires
- **Website Blacklist**: Block specific websites for a set period
- **Whitelist Mode**: Block everything except specified sites
- **Custom Block Lists**: Create lists of sites to block together
- **Flexible Timers**: Set block duration from minutes to hours
- **System-Level Blocking**: Blocks persist across all browsers and apps
- **Survives Restart**: Blocks remain active even if you restart your Mac
- **Survives Deletion**: Deleting the app doesn't disable active blocks
- **Free and Open Source**: Completely free with source code available
- **Donation-Supported**: Sustained by user donations
- **Privacy-Focused**: No data collection or tracking
- **Lightweight**: Minimal system resource usage

## The Unbreakable Promise

SelfControl is designed to be impossible to bypass:
- **Can't uninstall**: Deleting the app doesn't remove active blocks
- **Can't restart**: Rebooting your Mac doesn't end the blocking session
- **Can't disable**: No "emergency off" switch exists
- **Only workaround**: Reinstalling macOS entirely (which nobody does for website access)

This extreme approach makes SelfControl uniquely effective for people who need ironclad commitment to avoid distractions.

## Best For

- Mac users who need absolute distraction blocking
- People who tend to override softer blocking tools
- Students preparing for exams who need nuclear-level blocking
- Writers on strict deadlines
- Anyone who values free, open-source software
- Users who want simple, no-nonsense blocking without features creep

## Platform

**macOS Exclusive**: Available only for Mac computers.

## Pricing

**Completely Free**: No cost, no subscriptions, no paid features. Optional donations appreciated.

## User Warning

Before using SelfControl, users should understand:
- Once you start a session, you CANNOT stop it early
- There is no "undo" or "I changed my mind" option
- Make sure your blocked site list is correct before starting
- Don't block sites you might urgently need (email, banking, etc.)

## Comparison to Paid Alternatives

While Freedom ($40/year) and FocusMe offer more features and cross-platform support, SelfControl wins for:
- Being completely free
- Maximum blocking strength on Mac
- Simplicity and focused purpose
- Open-source transparency

## Community

Active open-source community maintains and improves the app. Users can contribute code, report bugs, or suggest features on GitHub.

## Updates

Regularly updated to maintain compatibility with new macOS versions. The project has been maintained for over a decade, demonstrating long-term sustainability.

## Recognition

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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