Deluge is a BitTorrent client written in Python. Deluge is cross-platform, using a front and back end architecture where libtorrent, a software library written in C++ which provides the application's networking logic, is connected to one of various front ends through the project's own Python bindings
ISPConfig is an open source hosting control panel for Linux which is capable of managing multiple servers from one control panel. ISPConfig is licensed under the BSD license.