whohas is a command line tool that allows you toquery several package collections at once. Itcurrently supports Arch Linux, Debian, Fedora,Gentoo, Slackware (and linuxpackages.net), SourceMage Linux, Ubuntu, FreeBSD, NetBSD, OpenBSD, Fink, and DarwinPorts repositories. whohas was designed to help package maintainers find ebuilds, pkgbuilds, and similar package definitions from otherdistributions to learn from. However, it can alsobe used by normal users who want to know whichdistribution provides certain packages, and whichversion of a given package is in use in eachdistribution or in each release of a distribution.License: GNU General Public License (GPL)Changes:
This is the first big update in three years. Allmodules are now working except for Gentoo (sincetheir search interface was taken down) and Fedora.These remain disabled for now.