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Redmine vs MantisBT: catalog facts
Redmine	MantisBT
Free Free and open source under the GNU GPL v2.	Free Free and open source under the GPL; third-party hosting is available separately.
Web, Self-hosted	Web, Self-hosted
Issue tracking, Gantt charts, wiki and time tracking per project Integrates with Git, Subversion, Mercurial and more	Per-project role-based access control Customizable fields, notifications and workflow
Requires running a Ruby on Rails server Interface is more functional than modern	Requires a PHP web server and database to set up Interface is dated next to newer trackers
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License: GPL-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 September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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