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JetBrains Air vs Emdash: catalog facts
JetBrains Air	Emdash
Freemium Agent usage is metered in AI credits; full pricing is not detailed in the research.	Free Free and open source; the coding agents you connect may have their own costs.
macOS, Web, Command line	Windows, macOS, Linux
Works with several agents, including any ACP-compatible one Event-triggered automations for review, rebasing and triage	Runs several coding agents in parallel in isolated Git worktrees Works with many agents rather than locking you to one
Agent work consumes AI credits New product with limited public detail on pricing	Needs separately installed and paid-for coding agents to do the actual work Young product that is still changing quickly
Downloadable app, Web application	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.