Slipstream Mod Manager
Successor to GMM, Slipstream strives to get rid of bugs that plagued its predecessor. It is also faster and easier to use, and implements several new features, like pre-processed tags and embedded descriptions.
 Grognak's Mod Manager
Important: GMM is no longer being developed. It's advised to use SMM instead.
This program allows one to manage FTL mods easily.