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Supacode vs Emdash: catalog facts
Supacode	Emdash
Free Free download during the beta, with source published on GitHub.	Free Free and open source; the coding agents you connect may have their own costs.
macOS	Windows, macOS, Linux
Separate git worktree and terminal per agent Works with any CLI coding agent	Runs several coding agents in parallel in isolated Git worktrees Works with many agents rather than locking you to one
Requires macOS 26 Tahoe Still in beta, including remote SSH support	Needs separately installed and paid-for coding agents to do the actual work Young product that is still changing quickly
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.