These ebuilds come from http://github.com/sjnewbury/multilib-overlay.
If you have some problems, go to the official site first.
DirectFB : Thin library on top of the Linux framebuffer devices ( http://www.directfb.org/ )
atk : GTK+ and GNOME Accessibility Toolkit ( http://projects.gnome.org/accessibility/ )
check : A unit test framework for C ( http://sourceforge.net/projects/check/ )
cyrus-sasl : The Cyrus SASL (Simple Authentication and Security Layer). ( http://asg.web.cmu.edu/sasl/ )
dbus-glib : D-Bus bindings for glib ( http://dbus.freedesktop.org/ )
eggdbus : D-Bus bindings for GObject ( http://cgit.freedesktop.org/~david/eggdbus )
expat : XML parsing libraries ( http://expat.sourceforge.net/ )
fribidi : A free implementation of the unicode bidirectional algorithm ( http://fribidi.org/ )
gir-repository : GObject Introspection tools and library ( http://live.gnome.org/GObjectIntrospection )
glib : The GLib library of C routines ( http://www.gtk.org/ )
gmp : Library for arithmetic on arbitrary precision integers, rational numbers, and floating-point numbers ( http://gmplib.org/ )
iniparser : A free stand-alone ini file parsing library. ( http://ndevilla.free.fr/iniparser/ )
kpathsea : Library implementing generic path searching, configuration, and TeX-specific file searching ( http://tug.org/texlive/ )
libassuan : IPC library used by GnuPG and GPGME ( http://www.gnupg.org/related_software/libassuan/index.en.html )
libatasmart : Lean and small library for ATA S.M.A.R.T. hard disks ( http://0pointer.de/blog/projects/being-smart.html )
libatomic_ops : Implementation for atomic memory update operations ( http://www.hpl.hp.com/research/linux/atomic_ops/ )
libbeagle : C and Python bindings for Beagle ( http://beagle-project.org/ )
libcdio : A library to encapsulate CD-ROM reading and control ( http://www.gnu.org/software/libcdio/ )
libcroco : Generic Cascading Style Sheet (CSS) parsing and manipulation toolkit ( http://www.freespiders.org/projects/libcroco/ )
libdaemon : Simple library for creating daemon processes in C ( http://0pointer.de/lennart/projects/libdaemon/ )
libedit : BSD replacement for libreadline. ( http://www.thrysoee.dk/editline/ )
libffi : a portable, high level programming interface to various calling conventions. ( http://sourceware.org/libffi/ )
libgamin : Library providing the FAM File Alteration Monitor API ( http://www.gnome.org/~veillard/gamin/ )
libgcrypt : General purpose crypto library based on the code used in GnuPG ( http://www.gnupg.org/ )
libgdata : GLib-based library for accessing online service APIs using the GData protocol ( http://live.gnome.org/libgdata )
libgee : GObject-based interfaces and classes for commonly used data structures. ( http://live.gnome.org/Libgee )
libgpg-error : Contains error handling functions used by GnuPG software ( http://www.gnupg.org/related_software/libgpg-error )
libgweather : Library to access weather information from online services ( http://www.gnome.org/ )
libical : An implementation of basic iCAL protocols from citadel, previously known as aurore ( http://freeassociation.sourceforge.net )
libksba : X.509 and CMS (PKCS#7) library ( http://www.gnupg.org/related_software/libksba )
libnl : A library for applications dealing with netlink socket ( http://people.suug.ch/~tgr/libnl/ )
liboil : library of simple functions that are optimized for various CPUs ( http://liboil.freedesktop.org/ )
libpcre : Perl-compatible regular expression library ( http://www.pcre.org/ )
libpthread-stubs : Pthread functions stubs for platforms missing them ( )
libsigc++ : Typesafe callback system for standard C++ ( http://libsigc.sourceforge.net/ )
libunique : a library for writing single instance application ( http://live.gnome.org/LibUnique )
libxml2 : Version 2 of the library to manipulate XML files ( http://www.xmlsoft.org/ )
libxslt : XSLT libraries and tools ( http://www.xmlsoft.org/ )
nspr : Netscape Portable Runtime ( http://www.mozilla.org/projects/nspr/ )
nss : Mozilla's Network Security Services library that implements PKI support ( http://www.mozilla.org/projects/security/pki/nss/ )
oniguruma : a regular expression library for different character encodings ( http://www.geocities.jp/kosako3/oniguruma )
openct : library for accessing smart card terminals ( http://www.opensc-project.org/openct/ )
opensc : SmartCard library and applications ( http://www.opensc-project.org/opensc/ )
openssl : full-strength general purpose cryptography library (including SSL v2/v3 and TLS v1) ( http://www.openssl.org/ )
pkcs11-helper : PKCS#11 helper library ( http://www.opensc-project.org/opensc/wiki/pkcs11-helper )
popt : Parse Options - Command line parser ( http://rpm5.org/ )
pth : GNU Portable Threads ( http://www.gnu.org/software/pth/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a multilib
For Paludis use this rsync : rsync://gentoo.zugaina.org/multilib-portage
If you have a problem : ycarus(-at-)zugaina.org