TunnelBear Chrome extension alternatives

At Mozilla, we’re a global community of technologists, thinkers and builders working together to keep the Internet alive and accessible, so people worldwide can be informed contributors and creators of the Web. We believe this act of human collaboration across an open platform is essential to individual growth and our collective future.

Just Focus is a free chrome extension that helps you avoid distractions and enables you to focus on your real work. Simply add a website to your block list and hit "Start Focusing" –– you’ll increase your working efficiency and get more done. We waste hours a day scrolling through social media. Just Focus helps you get your time back.

Serenity is a productivity management tool. The user is allowed to enter blacklisted sites and an allotted working time. Time in this imaginary city progresses in proportion to real life unless you visit a blacklisted site, then it speeds up!