Letter: Y
- yelp-2.16.0-22.el5: A system documentation reader from the Gnome project
 - yp-tools-2.9-0.1: NIS (or YP) client programs.
 - ypbind-1.19-11.el5: The NIS daemon which binds NIS clients to an NIS domain.
 - ypserv-2.19-5.el5: The NIS (Network Information Service) server.
 - yum-3.2.19-18.sl: RPM installer/updater
 - yum-NetworkManager-dispatcher-1.1.16-14.el5: NetworkManager dispatcher plugin to help yum, when changing networks
 - yum-aliases-1.1.16-14.el5: Yum plugin to enable aliases filters
 - yum-allowdowngrade-1.1.16-14.el5: Yum plugin to enable manual downgrading of packages
 - yum-autoupdate-1-1.SL: RPM installer/updater config files
 - yum-basearchonly-1.1.10-10.el5: Yum plugin to let Yum install only basearch packages.
 - yum-changelog-1.1.16-14.el5: Yum plugin for viewing package changelogs before/after updating
 - yum-conf-53-1.SL: RPM installer/updater config files
 - yum-conf-5x-1-5.SL: RPM installer/updater config files
 - yum-conf-epel-5-1: Extra Packages for Enterprise Linux repository configuration
 - yum-cron-0.6-3.el5: Files needed to run yum updates as a cron job
 - yum-downloadonly-1.1.16-14.el5: Yum plugin to add downloadonly command option
 - yum-fastestmirror-1.1.16-14.el5: Yum plugin which chooses fastest repository from a mirrorlist
 - yum-filter-data-1.1.16-14.el5: Yum plugin to list filter based on package data
 - yum-keys-1.1.16-14.el5: Yum plugin to deal with signing keys
 - yum-kmod-1.1.16-14.el5: Yum plugin to handle fedora kernel modules.
 - yum-list-data-1.1.16-14.el5: Yum plugin to list aggregate package data
 - yum-merge-conf-1.1.16-14.el5: Yum plugin to merge configuration changes when installing packages
 - yum-metadata-parser-1.1.2-2.el5: A fast metadata parser for yum
 - yum-priorities-1.1.16-14.el5: plugin to give priorities to packages from different repos
 - yum-protect-packages-1.1.16-14.el5: Yum plugin to prevents Yum from removing itself and other protected packages
 - yum-protectbase-1.1.16-14.el5: Yum plugin to protect packages from certain repositories.
 - yum-refresh-updatesd-1.1.16-14.el5: Tell yum-updatesd to check for updates when yum exits
 - yum-rhn-plugin-0.5.3-30.el5: RHN support for yum
 - yum-security-1.1.16-14.el5: Yum plugin to enable security filters
 - yum-skip-broken-1.1.10-10.el5: Yum plugin to handle skiping packages with dependency problems
 - yum-tmprepo-1.1.16-14.el5: Yum plugin to add temporary repositories
 - yum-tsflags-1.1.16-14.el5: Yum plugin to add tsflags by a commandline option
 - yum-updateonboot-1.1.16-14.el5: Run yum update on system boot
 - yum-updatesd-0.9-2.sl: Update notification daemon
 - yum-upgrade-helper-1.1.16-14.el5: Yum plugin to help upgrades to the next distribution version
 - yum-utils-1.1.16-14.el5: Utilities based around the yum package manager
 - yum-verify-1.1.16-14.el5: Yum plugin to add verify command, and options
 - yum-versionlock-1.1.16-14.el5: Yum plugin to lock specified packages from being updated
 - yumex-2.0.3-1.0.el5: Yum Extender graphical package management tool