Professione Informatica. Not all applications are made available on a portable platform.
Software that you can install on a USB stick should be Open Source, or there must be an explicit authorization of the author in the case of Freeware or Commercial Software (which for obvious licensing restrictions can not be modified or altered even in part). Some software that requires Java or. Net Framework are not released on portable platforms (particularly PortableApps.com). These applications would not work on all computers. Professione Informatica has deployed some of these applications. My Portable Software.
WinPenPack. PortableApps.com. Lupo PenSuite. LiberKey.