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Mongrel vs KKTerm: catalog facts
Mongrel	KKTerm
Paid A seven-day free trial is available; continued use requires a paid license.	Freemium The GitHub build is free; the Mac App Store and Microsoft Store versions require a…
Windows, macOS, Linux	macOS
Combines database, terminal, file transfer, container, and API tools Supports more than 30 database engines	Combines terminal, remote desktop, and file transfer sessions Tabs can mix different pane types
Continued use requires a paid license after the seven-day trial	The Mac App Store and Microsoft Store versions require a one-time payment.
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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