Radium is a graphical music editor. The software is also billed as ‘a next generation tracker’.
This is mature software with development commenced in 1999. The software continues to be under active development.
Radium is free and open source software.
Key Features
- Audio and MIDI multitracker.
- Automate pitch, velocity, effects, and tempo.
- Granular synthesis.
- Smooth scrolling.
- Optional piano roll.
- Tickless.
- Global swing, and swing-per-track.
- Modular mixer and/or mixer strips.
- MIDI sequencing.
- Hard drive audio recording and playback.
- AU, LADSPA, VST, and VST3 plugins (More than 100 LADSPA plugins are included).
- Several built-in effects and instruments (virtual instruments, multiband compressor, modulators, etc.).
- Pure Data embedded.
- Includes a Faust audio DSP development environment.
- Frame-accurately synchronize playback to e.g. Ardour, Bitwig, or MASCHINE.
- Graphical zoom.
- Non-destructive changeable Lines Per Beat (“Line Zoom”).
- Microtonality.
- Scripting in Python or Scheme.
- Plugin delay compensation applied to all parts of the audio graph.
- Multicore support.
- Unlimited undo/redo.
Website: users.notam02.no/~kjetism/radium
Support: GitHub Code Repository
Developer: Kjetil Matheussen and contributors
License: GNU General Public License v2.0

Radium is written in C++ and C. Learn C++ with our recommended free books and free tutorials. Learn C with our recommended free books and free tutorials.
Related Software
| Digital Audio Workstations | |
|---|---|
| Ardour | Record, edit and mix with this digital audio workstation |
| MusE | Full featured MIDI and audio sequencer with recording and editing |
| Bespoke | Software modular synthesizer with a large range of modules |
| Zrythm | Automated and intuitive digital audio workstation |
| Rosegarden | Sophisticated MIDI (and audio) sequencer and notation editor |
| Qtractor | Audio/MIDI multi-track sequencer |
| Radium | Music editor sporting a sleek interface |
| LMMS | Digital audio workstation |
| Helio | Music sequencer for desktop and mobile platforms |
| Seq66 | MIDI sequencer and live-looper |
| Stargate | All-in-one DAW and plugin suite |
| tek | Colorful music making program |
Read our verdict in the software roundup.
| Music Trackers | |
|---|---|
| MilkyTracker | FT2 compatible music tracker |
| Furnace | Multi-system chiptune tracker |
| FamiStudio | NES music editor |
| Radium | Music editor sporting a sleek interface billed as a next generation tracker |
| Schism Tracker | Reimplementation of Impulse Tracker |
| OpenMPT | Audio module tracker (needs Wine to run) |
| BassoonTracker | Browser-based old-school Amiga music tracker |
| klystrack | Tracker for making C64/NES/Amiga-style chiptunes |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

