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MantisBT vs git-bug: catalog facts
MantisBT	git-bug
Free Free and open source under the GPL; third-party hosting is available separately.	Free Free and open source under the GPL 3.0.
Web, Self-hosted	Windows, Command line
Per-project role-based access control Customizable fields, notifications and workflow	Issues live in the Git repository and sync with normal push and pull Works offline
Requires a PHP web server and database to set up Interface is dated next to newer trackers	Collaborators need git-bug to read and edit issues Less familiar workflow than hosted issue trackers
Self-hosted	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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