SelfControl is a free Mac application that helps you avoid digital distractions by blocking access to chosen websites, mail servers, or anything else on the internet. Unlike softer tools, once you start a block session, it cannot be undone until the timer runs out—even if you restart your computer or delete the app. Here is why this tool gets attention: it is uncompromising. Many people rely on lighter blockers but end up finding loopholes. SelfControl removes that option by enforcing strict boundaries. If you commit to a two-hour block, you are locked in for those two hours, no matter what. Let’s break it down. The interface is simple. You create a blacklist of distracting websites and set a timer. Once the session begins, those sites are completely inaccessible until the time expires. This works at the network level, so it doesn’t matter which browser you use. The restriction applies across the system. The lack of flexibility is the point. If you know you sometimes give in to temptation and disable other apps, SelfControl keeps you accountable. It is best for people who need an iron barrier between themselves and distractions. One important thing to note is that SelfControl is only available for Mac. Windows or Linux users will need to look at alternatives like Cold Turkey or Freedom. But for Mac users, it is a powerful free option. Next steps: If you want to give SelfControl a try, download it from the official site. Be ready for the strict enforcement. Plan your sessions carefully since there is no way to pause or cancel them. If you want maximum discipline without spending money, this app delivers.