You can use the Fedora Core 4 repository from http://naturidentisch.de/packages/fc4/.

You can also use the Fedora Core 5 repository from http://naturidentisch.de/packages/fc5/.

Geany is available through the official Debian archives.

apt-get install geany

Packages for SuSE are not yet available.

An ebuild for Gentoo can be found on http://bugs.gentoo.de.