cfg-update : Easy to use GUI and CLI alternative for etc-update with safe automatic updating functionality ( https://github.com/rich0/cfg-update )
conf-update : ${PN} is a ncurses-based config management utility ( https://gitweb.gentoo.org/proj/conf-update.git/ )
cpuinfo2cpuflags : Tool to guess CPU_FLAGS_X86 flags for the host ( https://bitbucket.org/mgorny/cpuinfo2cpuflags )
deltup : Delta-Update - patch system for updating source-archives. ( http://deltup.sourceforge.net )
demerge : demerge - revert to previous installation states ( http://download.mpsna.de/opensource/demerge/ )
diffmask : A utility to maintain package.unmask entries up-to-date with masks ( https://bitbucket.org/mgorny/diffmask/ )
distpatch : Distfile Patching Support for Gentoo Linux (tools) ( https://www.gentoo.org/proj/en/infrastructure/distpatch/ )
eclass-manpages : collection of Gentoo eclass manpages ( https://www.gentoo.org/ )
eix : Search and query ebuilds, portage incl. local settings, ext. overlays, version changes, and more ( https://github.com/vaeth/eix/ )
elogv : Curses based utility to parse the contents of elogs created by Portage ( https://github.com/gentoo/elogv )
elogviewer : Elog viewer for Gentoo ( https://sourceforge.net/projects/elogviewer )
emerge-delta-webrsync : emerge-webrsync using patches to minimize bandwidth ( https://www.gentoo.org/proj/en/portage/index.xml )
epkg : A simple portage wrapper which works like other package managers ( https://github.com/jdhore/epkg )
esearch : Replacement for 'emerge --search' with search-index ( https://github.com/fuzzyray/esearch )
etc-proposals : a set of tools for updating gentoo config files ( http://sourceforge.net/projects/etc-proposals.berlios/ )
euses : look up USE flag descriptions fast ( http://www.xs4all.nl/~rooversj/gentoo )
fetchcommandwrapper : Wrapper integrating aria2 into portage's FETCHCOMMAND ( https://github.com/gentoo/fetchcommandwrapper )
flaggie : A smart CLI mangler for package.* files ( https://bitbucket.org/mgorny/flaggie/ )
fquery : Installed package query tool for Gentoo Linux ( http://hackage.haskell.org/package/fquery )
g-cpan : g-cpan: generate and install CPAN modules using portage ( https://www.gentoo.org/proj/en/perl/g-cpan.xml )
g-ctan : Generate and install ebuilds from the TeXLive package manager ( https://launchpad.net/g-ctan )
g-octave : A tool that generates and installs ebuilds for Octave-Forge ( https://github.com/rafaelmartins/g-octave )
g-sorcery : framework for ebuild generators ( https://github.com/jauhien/g-sorcery )
genlop : A nice emerge.log parser ( https://www.gentoo.org/proj/en/perl )
gentoolkit : Collection of administration scripts for Gentoo ( https://www.gentoo.org/proj/en/portage/tools/index.xml )
gentoolkit-dev : Collection of developer scripts for Gentoo ( https://wiki.gentoo.org/wiki/Project:Portage-Tools )
gentoopm : A common interface to Gentoo package managers ( https://bitbucket.org/mgorny/gentoopm/ )
getdelta : dynamic deltup client ( http://linux01.gwdg.de/~nlissne/ )
gpytage : GTK Utility to help manage Portage's user config files ( https://gna.org/projects/gpytage )
gpyutils : Utitilies for maintaining Python packages ( https://bitbucket.org/mgorny/gpyutils/ )
grs : Suite to build Gentoo Reference Systems ( https://dev.gentoo.org/~blueness/grs )
gs-elpa : g-sorcery backend for elisp packages ( https://github.com/jauhien/gs-elpa )
gs-pypi : g-sorcery backend for pypi packages ( https://github.com/jauhien/gs-pypi )
install-mask : Handle INSTALL_MASK setting in make.conf ( https://bitbucket.org/mgorny/install-mask/ )
kuroo4 : Graphical Portage frontend based on KDE4/Qt4 ( http://kuroo.sourceforge.net/ )
layman : Tool to manage Gentoo overlays ( http://layman.sourceforge.net )
layman-dbtools : Tools to work with layman-global.txt/repositories.xml like files ( https://cgit.gentoo.org/proj/repositories-xml-format.git )
lightweight-cvs-toolkit : Tools to create partial CVS checkout, merge PRs and revert commits ( https://bitbucket.org/mgorny/lightweight-cvs-toolkit )
maintainer-helper : An application to help with ebuild maintenance ( https://dev.gentoo.org/~jokey/maintainer-helper )
metagen : metadata.xml generator for ebuilds ( https://cgit.gentoo.org/proj/metagen.git )
mirrorselect : Tool to help select distfiles mirrors for Gentoo ( https://wiki.gentoo.org/wiki/Project:Mirrorselect )
overlint : Simple tool for static analysis of overlays ( https://cgit.gentoo.org/proj/overlint.git )
perl-info : Tool to gather relevant perl data useful for bugreports; 'emerge --info' for perl ( https://www.gentoo.org/proj/en/perl/ )
pfl : Searchable online file/package database for Gentoo ( http://www.portagefilelist.de )
pms-test-suite : A test suite for Package Manager PMS compliance ( https://www.gentoo.org/proj/en/qa/pms/pms-test-suite.xml )
portage-utils : small and fast portage helper tools written in C ( https://wiki.gentoo.org/wiki/Portage-utils )
porthole : A GTK+-based frontend to Portage ( http://porthole.sourceforge.net )
porticron : cron script to sync portage and send update mails to root ( https://github.com/gentoo/porticron )
portpeek : A helper program for maintaining the package.keyword and package.unmask files ( http://www.mpagano.com/blog/?page_id=3 )
pqlop : emerge.log parser written in python ( https://bitbucket.org/LK4D4/pqlop )
prefix-chain-setup : Chained EPREFIX bootstrapping utility ( https://dev.gentoo.org/~mduft )
repo-commit : A repository commit helper ( https://bitbucket.org/gentoo/repo-commit/ )
smart-live-rebuild : Check live packages for updates and emerge them as necessary ( https://bitbucket.org/mgorny/smart-live-rebuild/ )
splat : Simple Portage Log Analyzer Tool ( http://www.l8nite.net/projects/splat/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org