Signal

Music Production
Written By Building Beats

Signal is a full-featured, open-source online MIDI editor built into your browser—no installation needed. It offers multi-track piano-roll editing with velocity, pitch bend, modulation, tempo automation, and support for non‑4/4 time signatures. You can load custom SoundFonts, record MIDI input, export WAV, and run it as an installable PWA or desktop app

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Building Beats
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