LiberKey it’s an awesome suite composed of over 200 Windows free/opensource apps and portable (so without need installing programs) divided in various categories that can be used both local or in removable devices (external hdd, USB pendrives, etc…)
Liberkey has also features of auto-updates applications and temporarily file association.
It’s available in 3 versions (basic, standard, ultimate) and in 2 languages (english, french)