DON's v1.13
http://all2all.virtualave.net/p2p/xolox113us.zip

1.18 beta 2 build 50
http://www.geocities.com/ridesthewaves2000/xolox.zip

original v1.12
http://www.p2pchat.org/downloads/xolox_original.exe

Zeropaid's v1.15
http://www.zeropaid.com/xolox/zpxolox.zip