Best Diagramium Alternatives in 2026
Updated
20 platforms from gantt chart software ranked against Diagramium on the same published basis.
- 1Diagramium vs Agantty
- 2Diagramium vs ProjectLibre
- 3Diagramium vs Ganttic
- 4Diagramium vs Instagantt
- 5Diagramium vs Online Gantt
- 6Diagramium vs Rillsoft Project
- 7Diagramium vs Project Plan 365
- 8Diagramium vs GanttPRO
- 9Diagramium vs Tom's Planner
- 10Diagramium vs Ingantt
- 11Diagramium vs LibrePlan
- 12Diagramium vs Open Planner Studio
- 13Diagramium vs Sinnaps
- 15Diagramium vs Ganttology
- 16Diagramium vs GanttTool
- 17Diagramium vs GoodGantt
- 18Diagramium vs TIEMCHART
- 19Diagramium vs FastTrack Schedule
- 20Diagramium vs GANTT360°
- 21Diagramium vs GanttFlow
Diagramium alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Agantty | 7.9 | Free plan | €4.17/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | ProjectLibre | 7.7 | Free plan | $9.99/mo | Linux, Mac, Web, Windows |
| 3 | Ganttic | 7.5 | Free plan | $25/mo | Android, API, iOS, Web |
| 4 | Instagantt | 7.5 | Free plan | $10/mo | Web |
| 5 | Online Gantt | 7.3 | Free plan | Free | Web |
| 6 | Rillsoft Project | 7.3 | Linux, self-hosted, Web, Windows | ||
| 7 | Project Plan 365 | 7.1 | $0.83/mo | Android, iOS, Mac, Web, Windows | |
| 8 | GanttPRO | 7.0 | No | $0.58/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 9 | Tom's Planner | 7.0 | Free plan | $9.95/mo | Android, iOS, Web |
| 10 | Ingantt | 6.9 | No | $5.99/mo | Android, iOS, Mac, Web, Windows |
| 11 | LibrePlan | 6.9 | Free plan | Free | Linux, self-hosted, Web |
| 12 | Open Planner Studio | 6.8 | Free plan | Free | Linux, Mac, Web, Windows |
| 13 | Sinnaps | 6.8 | Free plan | Free | Android, iOS, self-hosted, Web |
| 15 | Ganttology | 6.7 | Free plan | $10/mo | Web |
| 16 | GanttTool | 6.7 | Free plan | Free | Web |
| 17 | GoodGantt | 6.7 | Free plan | $299/mo | Browser |
| 18 | TIEMCHART | 6.7 | $24.99/mo | Web | |
| 19 | FastTrack Schedule | 6.6 | No | Mac, Windows | |
| 20 | GANTT360° | 6.6 | Free plan | €12/mo | Web |
| 21 | GanttFlow | 6.6 | Free plan | C$8.25/mo | 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 7.9 out of 10. The others here: ProjectLibre, Ganttic, Instagantt 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.