Apps similar to Hydrogen include LMMS, which is free and open source. Other options are AudioTool, Qtractor, Studio One and Draw.Audio. Music Production Apps like Hydrogen are a crowded field, with more than 25 alternatives for Windows, the web, Linux, iPad and Mac.
Dragon is a drum machine built to quickly and easily make glitch, distorted, lofi drum beats and manipulate them live. The drums are simple and flexible, capable of some classic drum machine sounds and also new weirdness.
HTML-909 is a very accurate simulation of the classic Roland TR-909 drum machine, created with HTML5 and accessible using any modern browser. Formerly available through its own domain, the app is now available through a GitHub repository, though audio samples are not included.
