Hydrogen (software)


Hydrogen is an open-source drum machine created by Alessandro Cominu, an Italian programmer who goes by the pseudonym Comix. Its main goal is to provide professional yet simple and intuitive pattern-based drum programming.
Hydrogen was originally developed for Linux, and later ported to Mac OS X and Windows. The graphical user interface for the application uses Qt library, and all code is released under GPL-2.0-or-later.

Features

These are some of the features of Hydrogen:
  • Pattern-based sequencer, with unlimited number of patterns and ability to chain patterns into a song.
  • 192 ticks per whole note with individual level per event and variable pattern length.
  • Unlimited instrument tracks with volume, mute, solo, pan capabilities.
  • Multi-layer support for instruments.
  • Sample editor with basic cut and loop functions.
  • Time-stretch and pitch functions.
  • Time-line with variable tempo.
  • Single and stacked pattern mode.
  • Ability to import/export song files.
  • Support for LADSPA effects.
  • Real-time slide control for swing.
  • Option to slightly randomize velocity, time, pitch and swing functions to give a more "human" playback.
  • Multiple patterns playing at once.
  • Various drumkits available to download, plus support to create a custom drumkit.