

The open-source group of portable programs outgrew Haller's personal website and he moved it to a community site,. Haller then expanded the project to include Mozilla Thunderbird and. The project started out as a portable version of Mozilla Firefox in March 2004. Haller and includes contributions from over 100 people, including developers, designers and translators. To remove the software, a user can simply delete the main folder. User data is stored in a subfolder, allowing the user to upgrade or move the software without affecting the data.


These portable applications are intended to be used from removable media such as USB flash drives. is a website offering free applications for Windows that have been specially packaged for portability. GPLv2, LGPLv2, MIT License, MPL 1.1, wxWindows Library Licence
