The Portable App Directory™ and Portable App Marketplace™ list free open source software and freewareportable apps. As always, the PortableApps.com Platform, menu, backup utility, launchers, installer, format and other utilities are open source.
Education
Celestia Portable - portable space simulator
GoldenDict Portable - dictionary and encyclopedia lookups
Gramps Portable - genealogical research software
TIPP10 Portable - touch typing tutor
TypeFaster Portable - touch typing tutor
