Gtk-Gnutella is a GTK+ Gnutella client, efficient, reliable and fast, written in C. It has been optimized for speed and scalability, with low-memory consumption. It is meant to be left running 24x7, using little CPU and only the configured bandwidth.

It is possible to run gtk-gnutella without a GUI or using a shell interface.

Features:

• Complete Gnutella support (including DHT)
• Inter-operable with all known alternate Gnutella implementations
• Low resource consumption (memory, CPU)
• Magnet URI support
• Efficient file swarming
• Highly configurable and tunable
• TLS support (encrypted connections)
• UPnP and NAT-PMP support