Xapian
Fedora Core 5 RPMs are now available at http://www.xapian.org/RPM/.
Save xapian.repo in "/etc/yum/repos.d/" and run : 

$ yum install xapian-omega xapian-bindings-php xapian-bindings-python xapian-bindings-tcl8
This should install all the packages.

libtextcat
a0c3ace4fec75278d173565e21958498 libtextcat-2.2-1.i386.rpm
dea9cffada5cf08ec5c1190bbcf66fa2 libtextcat-devel-2.2-1.i386.rpm
8d4a61b94f9cdd575687d3f0b1a0029a libtextcat-2.2-1.src.rpm

icculus.org Quake 2 port
fcc8a0d111759aaafbed4eb01ec8ea0b quake2-r0.16.1-io1.i386.rpm
b221cebf249e2ec79684020681284b57 quake2-r0.16.1-io1.src.rpm