firefox : Firefox Web Browser ( http://www.mozilla.com/firefox )
kita : Kita - 2ch client for KDE ( http://kita.sourceforge.jp/ )
luakit : fast, small, webkit-gtk based micro-browser extensible by lua ( http://mason-larobina.github.com/luakit/ )
surf : a simple web browser based on WebKit/GTK+ ( http://surf.suckless.org/ )
xombrero : A minimalist web browser with sophisticated security features designed-in ( http://opensource.conformal.com/wiki/xombrero )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a rainyday
For Paludis use this rsync : rsync://gentoo.zugaina.org/rainyday-portage
If you have a problem : ycarus(-at-)zugaina.org