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Open-source issue and project tracker for technical teams.
Redmine's appeal starts with the price tag: it's free and open source, yet covers real ground — issue tracking, wikis, forums, and Gantt views — without licensing costs getting in the way. The plugin ecosystem is where it really opens up, letting technical teams bolt on the specific features they need rather than accepting whatever a vendor decided to ship. That's also exactly who it suits best: teams comfortable extending and maintaining their own tooling, since getting the most out of Redmine means treating it a bit like an internal project itself.
It integrates with Slack and Microsoft 365, with plugins extending integrations further. There's no per-seat cost to worry about, which matters for small and mid-size teams watching budgets closely.
It's built for technical teams comfortable extending and maintaining their own tooling through plugins.
Being free and open source, with deep extensibility, makes it attractive for teams that want full control at no license cost.
The interface feels dated out of the box compared to modern SaaS tools.
A strong option for technical teams that want a free, extensible issue tracker they can shape themselves.
$0
Free, self-hosted (GPL v2)
Prices in USD, checked October 2026. Prices exclude VAT and local taxes unless stated, and may vary by region, team size, and billing period. Vendors change plans often. See current Redmine pricing →
Yes. Redmine has a free plan (Open source), free, self-hosted (GPL v2). The free plan includes: Issue tracking; Gantt chart and calendar; Wiki and forums.
Redmine runs in the browser; it doesn't have a separate desktop or mobile app.
Redmine integrates with tools like Slack, Microsoft 365, among others.
Redmine is self-hosted; there's no cloud/SaaS version.
Redmine is designed for these team sizes: Small team, Mid-size.
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