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Emdash vs AionUi: catalog facts
Emdash	AionUi
Free Free and open source; the coding agents you connect may have their own costs.	Free Free download; the agents and models it drives may need their own accounts or API keys.
Windows, macOS, Linux	Windows, macOS
Runs several coding agents in parallel in isolated Git worktrees Works with many agents rather than locking you to one	Auto-detects more than 20 installed command-line agents Multi-agent teams and scheduled tasks
Needs separately installed and paid-for coding agents to do the actual work Young product that is still changing quickly	Depends on separately installed agents to do the work Licence terms not stated in the available information
Downloadable app	Downloadable app
Open source	Closed 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.