Best MantisBT alternatives in 2026
6 direct alternatives to MantisBT, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Cite this list: Toolradar, best MantisBT alternatives 2026, toolradar.com/alternatives/mantisbt
Why people consider alternatives to MantisBT
MantisBT is an open-source issue tracking system designed to facilitate collaboration among team members and clients. It offers a balance of simplicity, allowing users to quickly get started, and powerful features for managing projects and…
Teams most often switch away when one of these starts to bite:
- A feature or quota ceiling that a paid specialist covers and this free tool does not.
- Missing integrations with the rest of your stack.
- Performance or scale limits as your needs grow.
- A specific feature gap you have hit in bug tracking.
The 6 alternatives below cover the same core job (bug tracking) with different trade-offs.
6 alternatives to MantisBT
Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace MantisBT.
- 1
ClickUp
Free plan Battle-tested at scaleUnify tasks, docs, chat, and goals in one workspace
4.3 /5 across Trustpilot, TrustRadius, PeerSpot and more · 19,870 ratings, Sep 2026
- 2
Jira
Free plan Battle-tested at scaleThe industry standard for software development tracking and agile workflows
3.6 /5 across SourceForge, G2 and Trustpilot · 8,109 ratings, Sep 2026
- 3
Shortcut
Free planProject management for software teams
4.5 /5 across G2 and Capterra · 540 ratings, Sep 2026
- 4
Azure DevOps
Free planMicrosoft's complete DevOps platform
4.2 /5 on G2 · 201 ratings, Sep 2026
- 5
Height
Free planAutonomous project collaboration
- 6
GitHub Issues
Free planProject planning and issue tracking built for developers, integrated directly into GitHub.
Frequently asked questions
What is the best alternative to MantisBT?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to MantisBT are ClickUp, Jira, Shortcut. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to MantisBT?
MantisBT is already 100% free. There is no other fully free alternative in this list. ClickUp is freemium (free tier plus paid plans), not 100% free.
Why do people look for MantisBT alternatives?
Common reasons teams switch away from MantisBT even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in bug tracking. The alternatives on this page solve the same core problem with a different feature set.
Side-by-side comparisons
In-depth comparison pages for MantisBT versus each alternative.
Review MantisBT, get a free AI guide
Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.
Still considering MantisBT?
See the full review, pricing breakdown, and community feedback before you decide.