True Packager 2 (TP2) 是 Linux/Unix 系统上的包管理系统，主要功能：
Works on Linux, UNIX-like platforms and Windows
Support for 'namespaces'
Support 'preview' installs
Full installation logs kept/managed
Atomic installation/removal of packages
Intelligent in-place upgrades/downgrades
Easy creation of packages
ACL-based repository management
Package install/remove and repository management audit log
Packaging signing support (and optional enforcement)
主页：http://code.google.com/p/truepackager2/
下载：http://code.google.com/p/truepackager2/downloads/list
来自:开源中国社区
