Free Alternative Comparison · 2026
GanttFather vs Online Gantt
Choose Online Gantt if you want to draw a quick chart without an account, because its free browser editor needs no sign-up and saves the chart on your computer as a .gantt file, with cloud plans from $4 per user a month billed yearly. Choose GanttFather if a team keeps the plan online together, because 1 project you own with 2 editors and unlimited free viewers is free, changes from others appear live, and all four dependency types and critical path are included.
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What's the difference between GanttFather and Online Gantt?
Side-by-side feature comparison of the two tools across pricing, dependencies, real-time collaboration, AI integration, and platform support. Bold rows highlight the dimension where one tool clearly leads.
| Feature | GanttFather | Online Gantt |
|---|---|---|
| Free option | Free for 1 project you own, with 2 editors and unlimited free viewers; saved online | Free browser editor with no sign-up; charts are saved on your computer as .gantt files |
| Account | Required; sign in with Google, GitHub, or email and password | Not needed for the free editor; needed for paid features |
| Paid plans | US$5 a month per extra project (US$2.50 billed yearly) and US$2 a month per extra editor seat (US$1 billed yearly) | Cloud Standard $4 per user a month billed yearly ($5 monthly); Cloud Pro $10 ($12 monthly); 7-day trial |
| Viewers | Unlimited and free on every plan, including the free one | Free read-only users and shared links on the paid plans |
| Dependencies | Finish-to-start, start-to-start, finish-to-finish and start-to-finish, with lag and lead in days | Predecessors written as, for example, 1FS; other types not stated |
| Critical path | Yes, a toggle in the Gantt and List views | Not mentioned on its site |
| Views | Gantt, List, Board (Kanban) and Reports | Gantt |
| Import and export | Excel (.xlsx) import and export, plus PDF and PNG reports | Imports .gantt and Excel (.csv); exports .gantt, Excel, PDF and image |
| AI | MCP server with 31 tools for Claude, ChatGPT, Cursor and other MCP clients, on the free plan | AI assistant on Cloud Pro |
Sources: Online Gantt · GanttFather. Checked on 18 October 2026.
Figures and their sources
| Figure | Value | Source |
|---|---|---|
| Free editor | No sign-up; charts are saved on your computer as .gantt files | Online Gantt |
| Paid cloud plans | From $4 per user per month | Capterra UK |
| Users claimed | Over one million, by its own count | Online Gantt testimonials |
| Rating | 4.8 out of 5 from 9 reviews | Capterra UK |
Checked on .
When is Online Gantt the better choice?
Online Gantt is the better choice for a quick chart without an account.
- You want to draw a chart now, with no sign-up and nothing to download.
- You want to keep the chart as a file on your own computer.
- You need an API, integrations or embedding, which Online Gantt includes in Cloud Pro.
- You want a low per-user cloud price: Cloud Standard is $4 per user a month billed yearly.
When is GanttFather the better choice?
GanttFather is the better choice when a team keeps the plan online and edits it together.
- Your plan lives online and several people edit it: changes from others appear live.
- Viewers are free and unlimited on the free plan; Online Gantt's free read-only users come with its paid plans.
- You need critical path, which is a toggle in GanttFather's Gantt and List views.
- The same tasks show as Gantt, List, Board (Kanban) and Reports.
- AI assistants such as Claude, ChatGPT and Cursor can read and edit the plan through the GanttFather MCP server, on the free plan.
- The app speaks 11 languages and comes with 100 project templates in 20 categories.
Frequently asked questions: GanttFather vs Online Gantt
Is Online Gantt free?
Its browser editor is free, with no sign-up and nothing to download, and it saves charts on your computer as .gantt files. Paid plans add cloud features: Cloud Standard is $4 per user a month billed yearly ($5 monthly) and Cloud Pro is $10 ($12 monthly). There is a 7-day trial with no card required.
Does Online Gantt have critical path?
Online Gantt does not mention critical path on its site, so check in the app before you rely on it. GanttFather has critical path as a toggle in the Gantt and List views, on the free plan.
How do dependencies compare?
Online Gantt writes dependencies as predecessors, such as 1FS, and lets you choose what happens when a move breaks a link: cancel the move, remove the dependency or add an offset. GanttFather supports finish-to-start, start-to-start, finish-to-finish and start-to-finish links, with lag and lead in days between tasks under the same parent.
Can I share an Online Gantt chart?
On the paid plans, read-only users and shared links are free. In the free editor, the chart is a file on your computer. In GanttFather, viewers are free and unlimited on every plan, including the free one.
Can I move an Online Gantt chart to GanttFather?
Online Gantt can export to Excel, and GanttFather imports Excel (.xlsx) files in the browser; save the file as .xlsx first if needed. Dependencies, priority and descriptions are not part of GanttFather's Excel import, so you link tasks again in the Gantt after importing.
Can AI agents work in GanttFather?
Yes. GanttFather has an MCP server with 31 tools that works with Claude, ChatGPT, Cursor and other MCP clients, and AI agents join a project free. Online Gantt includes an AI assistant on its Cloud Pro plan.
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