Best Diagramium Alternatives in 2026
Updated
20 platforms from gantt chart software ranked against Diagramium on the same published basis.
- 1Diagramium vs Ganttic
- 2Diagramium vs Oracle Primavera Cloud
- 3Diagramium vs GanttPRO
- 4Diagramium vs Agantty
- 5Diagramium vs GANTT360°
- 6Diagramium vs Instagantt
- 7Diagramium vs ProjectLibre
- 8Diagramium vs Open Planner Studio
- 9Diagramium vs Sinnaps
- 10Diagramium vs Ganty
- 11Diagramium vs Rillsoft Project
- 12Diagramium vs Ganttico
- 13Diagramium vs GanttProject
- 14Diagramium vs Autodesk Forma Schedule
- 15Diagramium vs TeamGantt
- 16Diagramium vs Asta Powerproject
- 17Diagramium vs FastTrack Schedule
- 18Diagramium vs Gantter
- 19Diagramium vs Ingantt
- 20Diagramium vs LibrePlan
Diagramium alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Ganttic | 7.1 | Free plan | $25/mo | Android, API, iOS, Web |
| 2 | Oracle Primavera Cloud | 6.7 | No | $12/mo | Android, API, iOS, Web |
| 3 | GanttPRO | 6.6 | No | $0.58/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 4 | Agantty | 5.8 | Free plan | €4.17/mo | Android, iOS, Linux, Mac, Web, Windows |
| 5 | GANTT360° | 5.8 | Free plan | €12/mo | Web |
| 6 | Instagantt | 5.8 | Free plan | $10/mo | Web |
| 7 | ProjectLibre | 5.8 | Free plan | $9.99/mo | Linux, Mac, Web, Windows |
| 8 | Open Planner Studio | 5.7 | Free plan | Free | Linux, Mac, Web, Windows |
| 9 | Sinnaps | 5.7 | Free plan | Free | Android, iOS, self-hosted, Web |
| 10 | Ganty | 5.6 | Free plan | Free | Web |
| 11 | Rillsoft Project | 5.6 | No | — | Linux, self-hosted, Web, Windows |
| 12 | Ganttico | 5.5 | Free plan | Free | Web |
| 13 | GanttProject | 5.5 | Free plan | Free | Windows, Mac, Linux |
| 14 | Autodesk Forma Schedule | 5.3 | No | — | Android, iOS, Web |
| 15 | TeamGantt | 5.3 | No | — | Web, iOS, Android |
| 16 | Asta Powerproject | 5.2 | No | £57.92/mo | Android, iOS, Mac, Web, Windows |
| 17 | FastTrack Schedule | 5.2 | No | — | Mac, Windows |
| 18 | Gantter | 5.2 | No | — | Browser, Web |
| 19 | Ingantt | 5.2 | No | $5.99/mo | Android, iOS, Mac, Web, Windows |
| 20 | LibrePlan | 5.2 | No | — | Web |
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Questions about Diagramium alternatives
What is the best alternative to Diagramium?
Ganttic, number 1 in gantt chart software with a score of 7.1 out of 10. The others here: Oracle Primavera Cloud, GanttPRO, Agantty and 16 more.
What is the best free alternative to Diagramium?
Ganttic is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.