MLDonkey G2gui is a next-generation crossplatform Graphical User Interface to the MLDonkey core. Its goal is to be userfriendly and powerful, using state of the art Java-techniques like SWT and other parts of the eclipse framework.
Nicotine is a SoulSeek client written in Python, based on the PySoulSeek project by Alexander Kanavin. It features, among other things, a completely rewritten graphical user interface which uses the PyGTK-2 toolkit and a less strict user request policy.
Hamachi is software for creation of your own virtual network within the internet (VPN) and when someone connects with you in such virtual net, your two computers behave, as if you were sitting in one room connected by a network cable, which brings significant advantages when e.g. connecting several PCs. After the installation you get a kind of a virtual driver, which creates new connection to the local network.