Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
RDI is a library that gives your application the ability to install its dependencies at runtime. Perfect for plugins oriented architectures. Many kind of deps: RPMs, DEBs, .so, .dll, RubyGems... Easily extensible to new kinds.