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mprocs vs Command Book: catalog facts
mprocs	Command Book
Free Free and open source under the MIT licence.	Freemium Free edition with limits; a one-time purchase unlocks higher limits and grouping.
Command line	macOS, Command line
Separate output view for each running command Interact with any process from one terminal	Manages processes through a GUI and CLI Keeps command output and process status in one registry
Development has moved to the unreleased successor dekit Processes stop when the mprocs window closes	Requires macOS 15 or later Only tracks processes started through Command Book
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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