The best alternatives to Space for Chrome are Focus, OffScreen, and Self Control. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Space for Chrome?
Explo— Create Customer Web Portals: Embedded Reports & Dashboards
Reclaim your productivity by blocking distracting sites and applications, like Facebook and Fortnite. Stay on task and in flow to accomplish your best work!
OffScreen provides more nature measurements of the screen time to help you track phone usage, and keep focused on what matters by just place your phone face down.
SelfControl is a free Mac app that helps you avoid distracting websites. Block your own access to websites or mail servers for a pre-set length of time.
Freedom blocks distracting websites and apps, or the whole Internet across all your favorite Mac, Windows, and iOS devices, so you can focus on what matters most. Choose what you want to block, select for how long and on what devices, and voilà! Experience the freedom to focus on something worthy of your time.
Stop wasting time on unproductive websites. FocusFox helps you to stay away from distracting websites and redirects you to where you actually want to go.