Comparison

Plane vs Atlassian

Plane and Atlassian both land on Depends.

Plane

Depends

Confidence: Medium

Buy if you're an engineering-heavy or self-hosting team that wants an open-source Jira/Linear alternative.

Depends

Confidence: High

Buy if you're a mid-size or large engineering org with admins and budget for a full dev/ITSM suite.

Plane versus Atlassian
Compare	Plane	Atlassian
Verdict	Depends	Depends
Best for	Engineering teams fleeing Jira costs	Engineering orgs running agile at scale
Who it's not for	Non-technical teams wanting polished zero-setup SaaS	Small teams needing a simple task list . overkill
Privacy	Multiple CVEs disclosed in 2025-2026, including authorization bypass and unauthenticated information disclosure; vendor maintains a trust center.¹²	Active vulnerability pipeline: monthly multi-product bulletins, a CISA-flagged Confluence exploit, and a documented breach.
Support quality	No evidence in reviewed sources	Enterprise support praised; TAM criticized as inflexible
Public sentiment	Genuine user feedback is scarce in reviewed sources . most search results matched the 2023 film 'Plane' . leaving only sparse positive G2 sentiment.^⁷	Users value the depth and ecosystem but consistently complain about price hikes, forced migrations, and UI churn.
Biggest gotcha	Self-hosting means you own patching; six CVEs surfaced, several high severity^⁹	Cloud prices rose 5-14% across the board in recent updates