Osctet

Osctet is a music tracker with special support for unusual tunings and rhythms. Its sound engine's design is influenced by older synth/sampler hardware like the Sound Blaster and MT-32, as well as by chipmusic-adjacent software such as pxtone.

Download latest version (v1.1.0)

These builds should work on Windows 10+, macOS 13+, and Ubuntu 22+ or equivalent. For older OS versions, you may need to build from source.

For release notes and older versions, see the releases page. Config files are compatible between versions.

Features

Alternative tunings
- Generate octave and non-octave equal temperaments
- Familiar key bindings and notation adapt to each tuning
- Scala scale file support
Rhythmic features
- Flexible beat subdivisions
- Rational tempo changes
- Arbitrary tuplets
Synthesis engine
- Use subtractive, additive, or FM synthesis
- Mix and modulate oscillators with PCM samples
- Link parameters via modulation
- Bus effects: reverb, delay, compression
Sample loading & playback
- Supported formats include WAV, MP3, FLAC, and more
- Load pitch & loop start metadata from WAV files
MIDI input (but no recording yet)
Single-track and multi-track WAV export
Customizable, shareable color themes
Supported audio hosts: WASAPI, ALSA, JACK, CoreAudio

Known issues

Modifier keys can get "stuck" when switching window focus using the keyboard
macOS version must be run from terminal (no app bundle)
Mouse movement and tooltips may cause audio stutter for certain users

To report an issue, use the issue tracker.

Screenshot

Licenses & credits

Osctet by jangler (AGPLv3 license)
Original Dina fonts by Jørgen Ibsen (MIT license)
Additional demo songs & pre-release testing by damifortune/HVB, agargara, and alexa sophia