Nassen Software Development has released Matryx "Early Adopter" edition, which can be purchased for €25. A fully functional free version is available.

Initially released as an entry into the KVR Developer Challenge 2006, Matryx is a sophisticated step sequencer designed for complex loop creation. It has all kinds of panels, pattern-sequencers, and a song-sequencer to live record MIDI-in and user interface interactions including VST tweaks.

Matryx can be the start of a composition as a loop creation tool, a variation generator for themes, a scratchpad for song layout, and a Modular VST-rack.

Features:

• Loop creation sequencer.
• VST Host with ASIO and Rewire support.
• Mini Modular.
• MIDI In + MIDI Out, MTC.
• VST Multi Out support.
• ASIO Audio record support with threshold level.
• MIDI Import/Export.
• Mixer and mixer-states with interpolation.
• VST Automation.
• Wave Render (16bit|32bit).
• Chords and strumming.
• Phrase record, Rhythm record, Step record.
• Performance record.
• Beziers.
• Rhythmical controllers/transposers.
• Skinnable.