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Comparison · PM
Backlog vs ZenTao
A side-by-side editorial comparison of Backlog and ZenTao — release velocity, themes, recent moves, and the top alternatives to consider.
Backlog vs ZenTao: at a glance
What is Backlog?
Backlog ships steady Gantt and chart refinements, but the feed is mostly Nulab site furniture.
Only two entries in this window carry actual release content, and both are monthly digests: chart groups gaining a start/end date bar with issue counts and status breakdown on hover, personal charts dropping the parent-subtask relationship, an Android 3.0.1 redesign, Markdown in iOS custom-field text areas, plus quarterly-scale Gantt charts for Premium and Platinum plans and child-issue status filtering. The rest of the window is navigation, support links and marketing copy scraped from nulab.com — including rows that belong to sibling products Cacoo and Nulab Pass rather than to Backlog.
What is ZenTao?
ZenTao posts a 22.0 beta with no notes in the feed.
The only tracked ZenTao entry is the 22.0 beta tag from October 21. It links to a changelog file in the repository and contains no description of what changed.
Backlog vs ZenTao: editorial side-by-side
Backlog
0.0PM
Backlog ships steady Gantt and chart refinements, but the feed is mostly Nulab site furniture.
◆ Current state
Only two entries in this window carry actual release content, and both are monthly digests: chart groups gaining a start/end date bar with issue counts and status breakdown on hover, personal charts dropping the parent-subtask relationship, an Android 3.0.1 redesign, Markdown in iOS custom-field text areas, plus quarterly-scale Gantt charts for Premium and Platinum plans and child-issue status filtering. The rest of the window is navigation, support links and marketing copy scraped from nulab.com — including rows that belong to sibling products Cacoo and Nulab Pass rather than to Backlog.
◆ Where it's heading
The real work is concentrated on planning views — Gantt scale, chart grouping, issue filtering — and on closing gaps between the web app and the mobile clients. Several changes are explicitly gated to Premium and Platinum plans, so view sophistication is being used as tier differentiation. Nothing here suggests a change of direction; it is a mature tracker refining how work is visualised.
◆ Prediction
Given the run of chart and Gantt scale work, the next planning-view change is likely another axis of aggregation or filtering rather than a new surface. The scraped entries make cadence unreliable, so any stronger call would not be grounded.
ZenTao
2.5PM
ZenTao posts a 22.0 beta with no notes in the feed.
◆ Current state
The only tracked ZenTao entry is the 22.0 beta tag from October 21. It links to a changelog file in the repository and contains no description of what changed.
◆ Where it's heading
A beta of a new major version suggests a larger release is in progress, but nothing in the feed says what it contains.
◆ Prediction
Unclear: the entry does not show what 22.0 changes or when a stable version will follow.
Alternatives to Backlog and ZenTao
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 Backlog or ZenTao.
NocoBase
NocoBase's v3 beta lets apps ship their own CLI, separate from Agents.
Productboard
Productboard's v2 documents API now keeps plain web addresses and emoji as ordinary text.
Hive
Hive turns reporting into a planning tool: shared inputs, grouped values, per-person drill-downs.
Tracecat
Tracecat 1.5 alpha patches add sub-cases and lock down agent sandboxes.
SmartSuite
SmartSuite adds tracked changes to SmartDocs, so policy edits need an approver.
See all Backlog alternatives → · See all ZenTao alternatives →
Recent activity from Backlog and ZenTao
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 24d agoZenTaoZenTao 22.0 beta posted without release notes
- 7mo agoBacklogBacklogAll-in-one project management
- 7mo agoBacklogCacooReal-time visual collaboration
- 7mo agoBacklogNulab PassEnterprise-grade security
- 8mo agoBacklogChart groups gain date-range bars; Android 3.0.1 redesign lands
- 8mo agoBacklogSupportNulab AccountCacooBacklogNulab PassView Nulab Help Center
- 9mo agoBacklogLearnProject ManagementSoftware DevelopmentCollaborationDesign & UXStrategy & PlanningView all topics
Frequently asked questions
What is the difference between Backlog and ZenTao?
They serve adjacent needs but don't currently overlap on shipped themes. ZenTao is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 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 Backlog better than ZenTao?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ZenTao is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 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 Backlog?
Top Backlog alternatives in PM are ranked by recent ship velocity. Browse the "Backlog alternatives" section above for the current picks, or visit /alternatives/backlog for the full list with editorial commentary on each.
What are the best alternatives to ZenTao?
Top ZenTao alternatives in PM are ranked by recent ship velocity. Browse the "ZenTao alternatives" section above for the current picks, or visit /alternatives/zentao for the full list with editorial commentary on each.