Celoxis
Celoxis publishes buyer's-guide SEO, not release notes — its product moves stay off this feed.
Comparison · PM
OpenProject vs Kitsu
A side-by-side editorial comparison of OpenProject and Kitsu — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:open-source
OpenProject vs Kitsu: at a glance
What is OpenProject?
OpenProject grinds out steady releases while hardening against a bug-bounty backlog of CVEs.
OpenProject is in a maintenance-heavy stretch: a run of 17.x point releases mixes small features with a steady stream of security patches surfaced by its EU-sponsored bug bounty. Feature work is incremental but pointed — project-based work package identifiers ease Jira migrations, and 17.6 adds an XWiki integration linking project management to enterprise knowledge. The cadence is high but a large share of releases are corrective.
What is Kitsu?
Kitsu is turning its studio pipeline tool into a client-facing review platform.
Kitsu, the open-source animation and VFX production tracker, is investing heavily in the review loop: onion skinning and shape annotations, an annotation eraser, public playlist links that let external reviewers comment without accounts, and client-visible comment toggles. In parallel it added OpenID Connect for studio SSO and production-setup tooling (project templates, retake-count and cross-task-type filters).
OpenProject vs Kitsu: editorial side-by-side
OpenProject grinds out steady releases while hardening against a bug-bounty backlog of CVEs.
◆ Current state
OpenProject is in a maintenance-heavy stretch: a run of 17.x point releases mixes small features with a steady stream of security patches surfaced by its EU-sponsored bug bounty. Feature work is incremental but pointed — project-based work package identifiers ease Jira migrations, and 17.6 adds an XWiki integration linking project management to enterprise knowledge. The cadence is high but a large share of releases are corrective.
◆ Where it's heading
The product is consolidating as a credible open-source Jira alternative rather than chasing new categories. Recent features — Jira-friendly identifiers, XWiki knowledge links, Baselines refinements — target enterprise buyers weighing a migration. Security discipline, with multiple CVEs patched across back-ported 17.2 through 17.4 lines, signals a push for enterprise trust.
◆ Prediction
Expect continued 17.x point releases pairing migration-friendly features with back-ported security fixes; the Jira-migration and enterprise-knowledge threads are the ones to watch build out.
Kitsu
2.5PM
Kitsu is turning its studio pipeline tool into a client-facing review platform.
◆ Current state
Kitsu, the open-source animation and VFX production tracker, is investing heavily in the review loop: onion skinning and shape annotations, an annotation eraser, public playlist links that let external reviewers comment without accounts, and client-visible comment toggles. In parallel it added OpenID Connect for studio SSO and production-setup tooling (project templates, retake-count and cross-task-type filters).
◆ Where it's heading
The clear direction is external collaboration — pulling clients, supervisors, and vendors into Kitsu's review player rather than exporting frames elsewhere. Enterprise auth (OIDC) and richer annotation tools reinforce a move from internal tracker toward a shared review-and-approval hub.
◆ Prediction
Expect the guest-review surface to deepen — more annotation fidelity and approval-workflow controls — and further identity/permissions work following OIDC. The cadence points to continued review-platform build-out.
Alternatives to OpenProject and Kitsu
Other PM products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either OpenProject or Kitsu.
Leantime
Leantime is stabilizing its big 3.9 rewrite while extending cross-project planning and a mobile API
Hostaway
After launching AI CoHost, Hostaway pours effort into channel, statement, and direct-booking tooling
Notion
Notion is turning itself into the place teams and their AI agents share one board.
Atlassian
Atlassian's feed is AI thought-leadership, but agent visibility just shipped in Jira.
Timeneye
Timeneye, now Lucen Track, adds MCP access and rounds out time tracking
See all OpenProject alternatives → · See all Kitsu alternatives →
Recent activity from OpenProject and Kitsu
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoOpenProjectOpenProject 17.6 adds XWiki integration for enterprise knowledge
- 24d agoOpenProjectOpenProject 17.5.1 patches 17.5 regressions
- 24d agoKitsuOpenID Connect Support
- 29d agoOpenProjectOpenProject 17.5 adds project-based IDs to ease Jira migration ⚡
- 1mo agoOpenProjectOpenProject 17.3.4 fixes broken Memcached serialization
- 1mo agoOpenProjectOpenProject 17.4.1 patches journal and work-package disclosure CVEs
- 1mo agoOpenProjectOpenProject 17.3.3 back-ports visibility and IDOR security fixes
- 1mo agoKitsuAnnotation Onion Skinning Comes to Review Playlists
- 1mo agoKitsuErase mistakes, not your whole annotation!
- 2mo agoKitsuShape Annotations
- 2mo agoKitsuShare playlists with anyone using a public link
- 2mo agoKitsuFilter Tasks by Retake Count on the Task Type Page
Frequently asked questions
What is the difference between OpenProject and Kitsu?
Both compete on the same themes — open-source — within PM. OpenProject is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is OpenProject better than Kitsu?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. OpenProject is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other PM products to evaluate alongside.
What are the best alternatives to OpenProject?
Top OpenProject alternatives in PM are ranked by recent ship velocity. Browse the "OpenProject alternatives" section above for the current picks, or visit /alternatives/openproject for the full list with editorial commentary on each.
What are the best alternatives to Kitsu?
Top Kitsu alternatives in PM are ranked by recent ship velocity. Browse the "Kitsu alternatives" section above for the current picks, or visit /alternatives/kitsu for the full list with editorial commentary on each.