cacophony

The premium Open Source alternative to Sekaiju

🎯 Best for:Composers who prefer a streamlined, no-frills environment for MIDI arrangement.

What is cacophony?

A lightweight, distraction-free MIDI sequencer designed for rapid composition and low-latency playback. It focuses on a minimalist interface to manage MIDI events without the overhead of a full-scale DAW.

Tech Stack
RustAudio & Music Production

Why cacophony?

  • Instant startup time
  • Low latency
  • Clean UI

Limitations

  • No audio recording
  • Limited VST support
  • Basic automation
2/9/2026
Last Update
12
Forks
7
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to cacophony instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Sekaiju)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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