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MantisBT vs Bugzilla: catalog facts
MantisBT	Bugzilla
Free Free and open source under the GPL; third-party hosting is available separately.	Free Free and open source, funded by donations and sponsors.
Web, Self-hosted	Web, Self-hosted
Per-project role-based access control Customizable fields, notifications and workflow	Proven at very large scale Docker Compose setup for quick evaluation
Requires a PHP web server and database to set up Interface is dated next to newer trackers	Releases are infrequent Perl-based setup is heavier than modern trackers
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License: MPL-2.0
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 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.