Add Linux Game Server Managers_

README.md

@@ -550,6 +550,7 @@ Some [Groupware](#groupware) solutions also feature file sharing and synchroniza
   * [Agar.IO Clone](https://github.com/huytd/agar.io-clone) - Agar.io clone written with Socket.IO and HTML5 canvas - `MIT`
   * [Cubiks-2048](https://github.com/Kshitij-Banerjee/Cubiks-2048) - Clone of 2048 game in 3D. - `CCANC 4.0`
   * [TournamentMango](http://tournamentmango.com/) - TournamentMango is an open source tournament bracket and user management system. You can build an archive of players and keep track of all their scores over time as well as their regular characters, games, and aliases. ([Source Code](https://github.com/seiyria/tournamentmango)) `MIT` `Javascript`
+   * [Linux Game Server Managers_](https://gameservermanagers.com) - A command line tool for quick, simple deployment and management of various dedicated game servers. ([Source Code](https://github.com/dgibbs64/linuxgsm)) `MIT` `Bash`
 
 
 ## Gateways