Google+ for Opera
Google +1 Button extension for Opera
Forked from antimatter15/surplus-lite
Surplus Lite extension for Opera: Lightweight Google+ notifications in Opera. Based on @antimatter15's Google Chrome extension.
Forked from mohamedmansour/extended-share-extension
Extended Share for Google+ for Opera: Extends Google+ to share to Facebook, LinkedIn, Twitter, and many more. Based on Mohamed Mansour (@mohamedmansour)'s Google Chrome extension.
Forked from tinymce/tinymce
SimAquarium widget for Opera