Comparison

OpenProject.org vs Taiga

OpenProject.org and Taiga both land on Depends.

OpenProject.org

Depends

Confidence: Medium

Buy it if you want a full open-source PM suite and can self-host or administer it.

Depends

Confidence: Low

Buy if your team runs scrum or kanban and wants a free or self-hosted tool.

OpenProject.org versus Taiga
Compare	OpenProject.org	Taiga
Verdict	Depends	Depends
Best for	Public institutions and enterprises needing on-prem	Agile scrum and kanban teams
Who it's not for	Small teams wanting a simple to-do list . this is a heavy suite	Non-agile teams needing a simple task list
Privacy	Transparent CVE disclosure with external audits, but a real history: SQL injection, XSS, data exposure, and a Docker default-secret RCE . patch promptly.^⁵	Solid infrastructure security: SSL everywhere, encrypted backups, least-privilege access, certified Madrid datacenter; no public vulnerabilities found.¹²
Support quality	Trustpilot 4/5 but tiny 11-review sample	No support-quality evidence found
Public sentiment	Reviews skew positive on Capterra and GetApp, but G2 sits near 3.8/5 and some users find it heavier than they need.^²	No independent user reviews were found; all praise in the sources comes from Taiga's own marketing site.¹⁴
Biggest gotcha	Self-hosting means you own patching; known CVEs make lagging updates genuinely risky¹⁵	Support runs through support@taiga.io and GitHub; no phone or SLA mentioned.¹²