Letter: Y
- yelp-2.6.4-2: A system documentation reader from the Gnome project.
- yp-tools-2.8-7: NIS (or YP) client programs.
- ypbind-1.17.2-3: The NIS daemon which binds NIS clients to an NIS domain.
- ypserv-2.13-5: The NIS (Network Information Service) server.
- yum-2.2.1-1.SL: RPM installer/updater
- yum-2.2.2-1.SL: RPM installer/updater
- yum-2.0.7-12.SL4.cern: RPM installer/updater
- yum-autoupdate-1-4.SL.cern: yum autoupdate setup for Scientific Linux CERN
- yum-conf-4X-3.cern: RPM installer/updater config file
- yum-conf-40-3.SL: RPM installer/updater config files
- yum-conf-40-4.SL: RPM installer/updater config files
- yum-conf-303-2.cern: RPM installer/updater config file
- yum-conf-41-3.SL: RPM installer/updater config files
- yum-conf-41-4.SL: RPM installer/updater config files
- yum-conf-4X-1.cern: RPM installer/updater config files
- yum-conf-4X-2.cern: RPM installer/updater config files