I’m happy to introduce to you : WPKeys, a new WordPress plugin which will add keyboard shortcuts for various actions, such as like or dislike a post, jump between posts, and to share.
Demo :
Click on the live preview link, then just open a post to start testing the plugin.
Usage :
- Like Post : L
- DisLike Post : D
- Jump to comments : C
- Share : S
- Jump between posts : N/P
Feel free to report any issues with the live preview 
Features :
- Keyboard controls
- Easy install
- Customization
- Social share with keyboard
- Help documentation
You can also customize the background color, the text, the text color of each popup.
More features will be added in further releases, and more sharing options also, so stay tuned.
For any question or help request,don’t hesitate to contact me via email or via the comments, I will try to reply to you in the shortest delay. Or you can just tweet me your problem (@ashiiix)
Changelog :
Version 1.0 - 03/08/2013
Initial Release