DC++ - DC++ developed by Jacek Sieka.
Kazaa - Kazaa is another peer-to-peer file sharing platform, use FastTrack protocol licensed by Joltid Ltd and operated as Kazaa by Sharman Network.
EiskaltDC++ - EiskaltDC++ is a program for UNIX-like systems that uses the Direct Connect and ADC protocol.
Ares - Ares is another free to download and install, open-sources file-sharing software that allows the users to share any type of digital file such as audios, video, images and software etc.
AirDC++ - AirDC++ is an easy way to share files between users.
eMule - eMule is a free peer-to-peer file sharing application for Microsoft Windows.