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Comparison · PM

Atarim vs GanttProject

A side-by-side editorial comparison of Atarim and GanttProject — release velocity, themes, recent moves, and the top alternatives to consider.

Atarim vs GanttProject: at a glance

FeatureAtarimGanttProject
SectorPMPM
Velocity score6.32.5
Sparks · 30d10
Top themesagency-workflow, ai-agents, care-plans, automationproject-management, gantt, desktop-app, java
Last editorial update4d ago3d ago
WebsiteVisit →Visit →

What is Atarim?

Atarim turns care plans into scheduled AI work and lets small fixes go live without approval.

Atarim 5.1.5 adds care plans: an agency builds a plan once with daily to yearly bands of workflows, such as weekly backups, monthly updates and reports and quarterly SEO sweeps, then attaches client sites and the work runs on schedule. The AI team can now work on sites in a GitHub repository, care reports come in agency, balanced and client versions, and small changes to live pages like text, images and SEO fields now go live directly, with the old version saved on the task. That relaxes 5.1.4, where every live-page edit came back as a draft for approval.

Read the full Atarim trajectory →

What is GanttProject?

GanttProject 3.4 is in its sixth beta, filling gaps users have asked about for years.

GanttProject is a Java desktop scheduler with major versions one to three years apart. The 3.4 Beta VI build in September added custom properties in filters and calculated columns, clickable links in the task table, multi-file import and a manual token path for GanttProject Cloud sign-in. A 3.3 release page dated 8 November restates 3.3's highlights (SQL-calculated columns, project-relative week numbers, native Apple Silicon) with an updated bundled Java runtime.

Read the full GanttProject trajectory →

Atarim vs GanttProject: editorial side-by-side

A6.3

Atarim turns care plans into scheduled AI work and lets small fixes go live without approval.

◆ Current state

Atarim 5.1.5 adds care plans: an agency builds a plan once with daily to yearly bands of workflows, such as weekly backups, monthly updates and reports and quarterly SEO sweeps, then attaches client sites and the work runs on schedule. The AI team can now work on sites in a GitHub repository, care reports come in agency, balanced and client versions, and small changes to live pages like text, images and SEO fields now go live directly, with the old version saved on the task. That relaxes 5.1.4, where every live-page edit came back as a draft for approval.

◆ Where it's heading

Atarim is moving from a feedback tool with AI helpers to a service-delivery system that runs an agency's recurring work. Each release gives the AI more room to act on its own, while keeping records a person can check or undo.

◆ Prediction

Expect more ready-made plans and wider repository support, and further loosening of what the AI team may change without approval.

G2.5

GanttProject 3.4 is in its sixth beta, filling gaps users have asked about for years.

◆ Current state

GanttProject is a Java desktop scheduler with major versions one to three years apart. The 3.4 Beta VI build in September added custom properties in filters and calculated columns, clickable links in the task table, multi-file import and a manual token path for GanttProject Cloud sign-in. A 3.3 release page dated 8 November restates 3.3's highlights (SQL-calculated columns, project-relative week numbers, native Apple Silicon) with an updated bundled Java runtime.

◆ Where it's heading

3.3 introduced SQL-driven calculated columns; 3.4 makes them useful with custom properties and puts more data on the chart itself. Cloud sign-in keeps getting workarounds, so the cloud tie-in from 3.0 is still part of the plan.

◆ Prediction

A 3.4 release after six betas is the obvious next step, but the project's slow cadence makes timing hard to call from the entries.

Alternatives to Atarim and GanttProject

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 Atarim or GanttProject.

See all Atarim alternatives → · See all GanttProject alternatives →

Recent activity from Atarim and GanttProject

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 5d agoGanttProjectGanttProject 3.3 release page republished with newer Java runtime
  2. 8d agoAtarimAtarim 5.1.5: build the care plan once, put every client on it ⚡
  3. 22d agoAtarimAtarim 5.1.4: your AI team proposes, you approve, from anywhere
  4. 1mo agoAtarimAtarim 5.1.3: the new Boards are here, with a clock on every stage
  5. 1mo agoAtarimAtarim 5.1.3: the new Boards are here, with a clock on every stage
  6. 1mo agoAtarimAtarim 5.1.2: your experts' memory is now yours to read and edit ⚡
  7. 1mo agoGanttProjectGanttProject 3.4 beta adds custom-property filters and links
  8. 2mo agoAtarimNothing says "done" unless it is done (5.1.1 and plugin 5.1.3)
  9. 11mo agoGanttProjectGanttProject 3.3
  10. 2y agoGanttProjectBuild tag restores Linux and Windows packages
  11. 2y agoGanttProjectBuild tag adds Intel and Apple Silicon macOS packages
  12. 4y agoGanttProjectGanttProject 3.2

Frequently asked questions

What is the difference between Atarim and GanttProject?

They serve adjacent needs but don't currently overlap on shipped themes. Atarim 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 Atarim better than GanttProject?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Atarim 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 Atarim?

Top Atarim alternatives in PM are ranked by recent ship velocity. Browse the "Atarim alternatives" section above for the current picks, or visit /alternatives/atarim for the full list with editorial commentary on each.

What are the best alternatives to GanttProject?

Top GanttProject alternatives in PM are ranked by recent ship velocity. Browse the "GanttProject alternatives" section above for the current picks, or visit /alternatives/ganttproject for the full list with editorial commentary on each.