Best Experimental Mozilla Addons Alternatives

Total experimental plugins - 3
HTML5 YouTube Everywhere

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

Support for replacing the player on YouTube site is in development.

   
Total Downloads: 9.7K
Nophish

Experimental !
This extension detects and interrupts phising attempts.

   
Total Downloads: 91
Marketplace App Reviewer Cert installer

Installs App Reviewer certificates for production and dev Firefox Marketplace so signed packaged apps can be installed from the reviewer tools on Android. ** If you're NOT an app reviewer on Firefox Marketplace then you don't need this app.**

   
Total Downloads: 11