HMGtbOS aims at making world open sourced!
Bookipedia - Provides Free eBooks of almost all Authors!
Fact Tree - Provides Lists of the Unknown, Unbelievable and Amazing Facts!
Deal's On - Provides the Best Deals on the Internet from eCommerce Sites!
AppMart - Provides Free PC Softwares and Android APKs (including apps developed by HMGtb)!