Lots of MSN Clients!

Projects Here : link

For dead links use web.archive.org !

Most of them are hard to patch

Not all of them

i said most

click on any link

lol, has long seen this. Some projects are on sourceforge

Not all links work man

Also this XMPP Gatway : https://sourceforge.net/projects/kraken-gateway/

freenomworld is just some slow-down-your-browserware.