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Superset vs Emdash: catalog facts
Superset	Emdash
Freemium Free to start with no credit card required.	Free Free and open source; the coding agents you connect may have their own costs.
macOS, iOS	Windows, macOS, Linux
Works with many coding agents rather than one Isolated workspaces for parallel tasks	Runs several coding agents in parallel in isolated Git worktrees Works with many agents rather than locking you to one
Desktop app is macOS only Requires separate access to the coding agents themselves	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.