https://chromewebstore.google.com/detail/go-european/klmgadmgadfhjgomffmpamppmkajdloc

https://addons.mozilla.org/en-US/firefox/addon/go-european/

Key features:

• Get notifications when you enter a website if European alternatives are available
• Enter your country for country specific alternatives
• Whitelist websites that you don’t want to see notifications for
• A sleek UI made for ease of use, and easy redirect to European alternatives.

https://github.com/K-Robin/GoEuropean