Rasbora is Web Front-end for Package Manager like dpkg, rpm, installpkg and others. It´s based on "drivers" for each system. Very useful for sysadmins. No Releases, but you can get the project on Subversion.
WinPack if an automated software manage system for Windows to install, remove, upgrade and downgrade softwares.It get information from the update sources. Do some similar work like google pack and Synaptic.