Name Category Description
cccc dev-util Source metrics (line counts, complexity, etc) for Java and C++
clsync app-admin Live sync tool based on inotify, written in GNU C
notmuch net-mail Thread-based e-mail indexer, supporting quick search and tagging
openafs net-fs The OpenAFS distributed file system
oprofile dev-util A transparent low-overhead system-wide profiler
portage sys-apps Portage is the package management and distribution system for Gentoo

Thank you!