This is a rather old client (hasn't had a change in over more than a year) but it works well, and I have always found what I was looking for every time I have used it.
Source:
Filetopia.org
Filetopia is a free communications software that includes: instant messaging, chat, a powerful file sharing system with a search engine, online friends list and message boards.
What is unique to this software is the level of security and privacy that it provides. It uses a choice of strong ciphers and public key techniques for all communications and sophisticated techniques to protect your IP and thus make you truly anonymous and safe from attacks.
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Filetopia 
