DC++ - DC++ developed by Jacek Sieka.
EiskaltDC++ - EiskaltDC++ is a program for UNIX-like systems that uses the Direct Connect and ADC protocol.
AirDC++ - AirDC++ is an easy way to share files between users.
StrongDC++ - StrongDC++ is a client for sharing files in Direct Connect network by using NMDC and ADC protocols.
FlylinkDC++ - Official FlylinkDC++ Team Page
Jucy - A secure and easy to use multiplatform client for Direct Connect.