Best Diagramium Alternatives in 2026
Updated
20 apps from gantt chart software ranked against Diagramium on the same published basis.
- 1Diagramium vs Agantty
- 2Diagramium vs ProjectLibre
- 3Diagramium vs Open Planner Studio
- 4Diagramium vs Ganttic
- 5Diagramium vs Instagantt
- 6Diagramium vs Rillsoft Project
- 7Diagramium vs Sinnaps
- 8Diagramium vs GANTT360°
- 9Diagramium vs GanttFlow
- 10Diagramium vs Ganttile
- 11Diagramium vs Online Gantt
- 12Diagramium vs GanttPRO
- 13Diagramium vs GanttProject
- 14Diagramium vs GoodGantt
- 15Diagramium vs Asta Powerproject
- 16Diagramium vs Ganty
- 17Diagramium vs Ingantt
- 18Diagramium vs Visual Planning
- 19Diagramium vs Ganttico
- 20Diagramium vs Oracle Primavera Cloud
Diagramium alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Agantty | 7.3 | Free plan | €4.17/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | ProjectLibre | 7.0 | Free plan | $9.99/mo | Linux, Mac, Web, Windows |
| 3 | Open Planner Studio | 6.9 | Free plan | Free | Linux, Mac, Web, Windows |
| 4 | Ganttic | 6.8 | Free plan | $25/mo | Android, API, iOS, Web |
| 5 | Instagantt | 6.7 | Free plan | $10/mo | Web |
| 6 | Rillsoft Project | 6.7 | No | — | Linux, self-hosted, Web, Windows |
| 7 | Sinnaps | 6.7 | Free plan | Free | Android, iOS, self-hosted, Web |
| 8 | GANTT360° | 6.6 | Free plan | €12/mo | Web |
| 9 | GanttFlow | 6.6 | Free plan | C$8.25/mo | Web |
| 10 | Ganttile | 6.6 | Free plan | Free | Web |
| 11 | Online Gantt | 6.6 | Free plan | Free | Web |
| 12 | GanttPRO | 6.5 | No | $0.58/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 13 | GanttProject | 6.5 | Free plan | Free | Windows, Mac, Linux |
| 14 | GoodGantt | 6.5 | Free plan | $299/mo | Browser |
| 15 | Asta Powerproject | 6.4 | No | £57.92/mo | Android, iOS, Mac, Web, Windows |
| 16 | Ganty | 6.4 | Free plan | Free | Web |
| 17 | Ingantt | 6.4 | No | $5.99/mo | Android, iOS, Mac, Web, Windows |
| 18 | Visual Planning | 6.4 | No | $15/mo | Android, iOS, Mac, Web, Windows |
| 19 | Ganttico | 6.3 | Free plan | Free | Web |
| 20 | Oracle Primavera Cloud | 6.3 | No | $12/mo | Android, API, iOS, Web |
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Questions about Diagramium alternatives
What is the best alternative to Diagramium?
Agantty, number 1 in gantt chart software with a score of 7.3 out of 10. The others here: ProjectLibre, Open Planner Studio, Ganttic and 16 more.
What is the best free alternative to Diagramium?
Agantty is the best-ranked alternative with a free plan. 14 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: documentation depth, a free tier and the platforms it runs on.