system environment/libraries
- xrdcl-http - HTTP client plug-in for XRootD client
- xrootd-client-libs - Libraries used by xrootd clients
- xrootd-libs - Libraries used by xrootd servers and clients
- xrootd-server-libs - Libraries used by xrootd servers
- xrootd-voms - VOMS attribute extractor plug-in for XRootD