Wikipedia
Psycle
Psycle is a modular music production application to make music on Windows. It is based on the tracker interface (the vertical timeline sequencer) but also includes up-to-date features like VST compatibility and 96 kHz / 32bit wav rendering.
Psycle is an open source program, and is released under the GNU General Public License ( GPL). The Psycledelics website is a community driven portal that contains program development status, Questions and Answers, links to current file versions, source code and a discussion board.