Hydrogen Stable release - 0.9.3 (Linux/Pc/Mac/Free)

Hydrogen is an advanced drum machine for GNU/Linux. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.


* Very user-friendly, modular, fast and intuitive graphical interface based on QT 3.
* Sample-based stereo audio engine, with import of sound samples in .wav, .au and .aiff formats.
* Support of samples in compressed FLAC file.

Sequencer and mixer

* Pattern-based sequencer, with unlimited number of patterns and ability to chain patterns into a song.
* Up to 64 ticks per pattern with individual level per event and variable pattern length.
* 32 instrument tracks with volume, mute, solo, pan capabilities.
* Multi layer support for instruments (up to 16 samples for each instrument).
* Ability to import/export song files.
* Unique human velocity, human time, pitch and swing functions.
* Multiple patterns playing at once.


* JACK, ALSA, PortAudio and OSS audio drivers.
* ALSA MIDI and PortMidi input with assignable midi-in channel (1..16, ALL).
* Import/export of drumkits.
* Export song to wav file.
* Export song to midi file.

3 Mar 2006 - Breaking news: new commercial sound library for Hydrogen - Rhythm Galaxy vol. 1. Over 250 world-class, superb-quality sounds which satisfy the needs of professional composers and music-making lovers, who have been searching for fresh, unique and inspiring material.