Looking for best Google Chrome extensions and apps dedicated to Google+? Here are 18 chrome extensions to make more out from your G+. In my belief, these are the most used extensions and apps dedicated to G+. If you find something useful chrome extension for G+, mention it here in the comment section.
2. +Photo Zoom: Provides fast and simple zooming for photos within your Google+ Stream. Just hover over the image you wish to zoom and +Photo Zoom will load the enlarged version of the picture.
3. Replies and more for Google+: It will add reply and reply-to-author buttons to Google+ comments and a number of other enhancements.
4. Surplus: Google+ Integration for Chrome.
5. Google Translate for G+: Translate your Google+ stream using integrated, inline, Google Translate support.
6. G+me: Collapses the Google+ stream while keeping live updates. It collapses posts, hides comments, etc.
7. Usability Boost for G+: Greatly improves readability on Google Plus, ability to star posts to read later and some other useful features.
8. Google+ Ultimate: This extension adds functionality and theming for the site.
9. Google Plus Directory: Find your G+ is a Google Plus person directory, where you can meet new people, start making new friend circles and more for Google+.
10. -1 Minus One for G+: Minus one (-1) button in Google+ (Post & Comment) notifications.
11. More for Google Plus: Loads more content as you reach the bottom of the Google+ page.
12. Google+ Tweaks: Tweaks to the layout and features of Google+. Full width, thumbnails only, etc.
13. Notification Count for G+: Extension for displaying unread notification count for Google+.
14. Helper for Google+: Add extra functions to Google+. Get desktop notifications on new posts. Share Posts via twitter, translate posts with Google Translate, and bookmark posts for reading later, linked #hashtags, search in posts and profiles directly from your omnibox.
15. G+ Count in Title: Adds notification count to the document title in the page tab.
16. +1 Button: Plus one every page you like with only one click, directly from omnibox, without any annoying popup.
17. Uncircle+: Google+: Find and Remove Inactive People in Selected/All Circles. Inactivity = No Public/Private Posts at all or since a chosen date.
18. +Everything : Adds the Google+ bar to all websites.
[Thanks Gabriel Vasile]