OSCcourier 0.1.0 — First public beta

OSCcourier

OSCcourier is a multi-track OSC message sequencer.
Create different types of tracks — interpolated curve, step, message, bang — plus a dedicated markers track providing snap-to guides.

Features:

• Curve editing with linear, S-curve and bulge interpolation
• Per-track amplitude range settings for curve and step tracks
• Advanced zoom and grid system
• Autofill: populate tracks with periodic patterns automatically
• Points List window: review every point at a glance and attach comments to individual points
• Unlimited undo/redo
• Point selection copy/paste
• Sequences saved as JSON

OSCcourier was initially designed to give Max/MSP the timeline it lacks — a kind of score. But since it emits standard OSC messages, it should work with any application able to receive them.

Tested with macOS 26 Tahoe and Apple Silicon.

Note: unsigned app (no paid Apple Developer account) — Gatekeeper will initially block it. If you get "can't be opened," go to System Settings → Privacy & Security → Open Anyway.