NSDi (Network Services Discoverer) is a metarepository for big/small environments. This tool uses differents plugins to discover the services and software installed on servers.
You can create many repositories accesibles via API for many external tools.
DISTributed Adaptable Executable (DISTae) is a software layer that allows the portability of programs among different heterogeneous computing units and run the different parts of the code simultaneously in a distributed and heterogeneous environment.