DC++ is an open source client for Windows for the Direct Connect network.
Direct Connect allows you to share files over the Internet without restrictions or limits. The client is completely free of advertisements and has a nice, easy to use interface. Firewall and router support is integrated and it is easy and convenient to use functionality like multi-hub connections, auto-connections and resuming of downloads.
Version 0.705 brings stability improvement, new menu types, segmented downloading, a separate window for each downloading file, tabs drag & drop, and a new connection window for each chunk.
Free for all Windows versions.