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.
Accessibility
Firefox Accessibility Extension - Make Firefox more accessible
On-Screen Keyboard Portable - Easily access an on-screen keyboard
Virtual Magnifying Glass Portable - A full-featured screen magnifier
