FBGroupShare.com

Version 1:

17 November 2013: Website with basic features Launched.
Ability to post in all Groups
26 Jan 2014: Website Down for 80 mins.
08 Feb 2014: Website Down for 30 mins. (Page Posting Removed)
14 Feb 2014: Settings page added, Now you can add your own Facebook APP ID and Secret key which will enable you to post in 50 groups. (Learn here How to generate APP ID and Secret key)