Surplus - Brings your Google+ Notifications to the browser. This works great and is the best way to see your notifications as you browse.
Extended Share for Google Plus - Adds a "Send to ..." link next to the native Share link under a post. This will send a link to the post as found on your Google Profile to Twitter, Facebook, or LinkedIn. Helper for Google+ also has a Twitter share function.
Google Plus - A simple bookmark. (G+ Launcher also does this.)
Notification Count for Google Plus - Extension for displaying unread notification count for Google Plus. This does not show you the notifications like Surplus does; just counts the unread ones.
Enhanced Toolbar for Google Plus - Keeps the top toolbar always visible on the Google+ page like G+Fix and Sticky+ Blackbar does. (Google CSS Tricks does this also, but it impacts more than Google+.)
Color Plus - An extension that replaces any Google Plus bar with green instead of black, or other colors.
Hide Google+ Notification - Takes the notifications out of the GooglePlus bar.
+Photo Zoom - Easily zoom photos and profile pics from your Google Plus Stream. G+ Photo Zoom and Photo Viewer for Google+ are also options.
GTools+ - Change the default color (red) of the notification bubble, and other tools.
Google Plusbar (a bookmarklet) - Access to BBC News, Al Jazeera, Amazing Radio, Grooveshark, TWiT, and Pirillo seamlessly integrated into the top of your Google+ Stream.
Beautify G+ - Enhances the look of Google+ and allows you to +1 any website you are on.
Google Plus Lite - Use Google Plus in lite mode (uses the mobile version).
G+ Count in Title - Places the G+ notification count in parenthesis in the document title located in the page tab.
+Comment Toggle - Allows you to hide/show comments on Google+
Plus One Anything - Adds the ability to +1 most web pages. Google +1 provides the same functionality.
Helper for Google+ - Share Google+ Posts with people on twitter and translate posts withGoogle Translate.
Replies and more for Google+ - Adds reply and reply-to-author links, and other tweaks.
G+ Count Favicon - Replaces the favicon on plus.google.com with one that shows the current notification count.
QuickView for Google Plus - Adds QuickView style keyboard shortcuts for Google Plus.
Like+1 - Turns Like buttons into Like+1 buttons so you can Like and +1 at the same time.
g+ Stream Pruning - Hide certain posters from any of your streams (not blocking).
Google+Tweet - Your Twitter timeline inside G+. (Some questions over the security of this extension have emerged; proceed at own risk.)
Google+Facebook - Facebook's news feed inside G+. (Some questions over the security of this extension have emerged; proceed at own risk.)
Usability Boost for Google Plus - This extension will help you visualize the flow of informations on Google Plus.
Google+ Ultimate - Changes the look of G+ as well as making the top black bar and the left side bar float.
Check back for more as I will add them when more are created. If you know of other extensions for Google+ please share in the comments. Enjoy +'ing!
