PortableApps.com
OS & Utilities
Software Launcher
PortableApps.com is a free, open-source platform that allows you to carry your favorite software with you on a USB flash drive, cloud drive, or portable hard drive, and use it on any Windows computer. It offers a selection of portable versions of popular software, a menu for easy access, and tools for keeping your applications updated.
Open Source
Run applications without installation on host computer.