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Redmine vs Traq: catalog facts
Redmine	Traq
Free Free and open source under the GNU GPL v2.	Free Free and open source under GPL-3.0.
Web, Self-hosted	Web, Self-hosted
Issue tracking, Gantt charts, wiki and time tracking per project Integrates with Git, Subversion, Mercurial and more	Runs on ordinary PHP and MySQL hosting Milestones, sprints and custom fields
Requires running a Ruby on Rails server Interface is more functional than modern	Small project with a modest community Requires PHP 8.3 and Apache rewrite configuration
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License: GPL-3.0
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.