OpenTask
OpenTask: A focused open-source task app for projects, nested tasks, and due-date views. Ranked #123 of 148 in To-Do List Apps by our editors (3.0/10); pricing: Free plan; best for users wanting a minimal open-source web task app.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forUsers wanting a minimal open-source web task app
- Free planYes
- Paid fromFree
- Founded2023
- Facts checked22 Sep 2026
Where it wins
- Free and open source
- Projects with nested actionable tasks
- Today and overdue views with due dates
Where it doesn't
- Web-only access
- No verified reminders or recurring tasks
- No verified integrations or offline access
Our verdict on OpenTask
OpenTask is a free, open-source task manager delivered as a responsive progressive web app. It is aimed at users who want a minimal web tool for organizing plans and goals into projects and to-dos. Tasks can be grouped within projects, broken into nested actionable tasks, and assigned due dates. The product is presented as a community learning project rather than a business-focused primary task-management app, making it a better fit for straightforward personal organization than for users seeking a broad productivity suite.
Its structure centers on project-based organization and time-focused task views. Users can arrange work into projects, split larger to-dos into smaller actionable tasks, and review items scheduled for today or already overdue. The responsive progressive web app format supports access through the web while adapting to different screen sizes. This focused feature set should suit users who prefer a clear hierarchy of projects, tasks, and subtasks without a crowded interface.
OpenTask's main trade-off is its narrow scope. The published positioning does not verify reminders, recurring tasks, integrations, or offline access, so users who depend on automated notifications, repeating workflows, connected services, or offline task management should choose an alternative. It also carries a clear product-context limitation: the vendor presents it as a community learning project, not as a primary task-management product for business use. Choose OpenTask for a free, open-source web task manager with projects and due-date views; choose elsewhere for broader platform coverage or more advanced task automation.
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OpenTask pricing
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OpenTask fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Recurring tasks | Not verified |
| Task reminders | Not verified |
| Calendar sync | Not verified |
| Subtasks | Yes |
| Offline access | Not verified |
| Active task limit | Not verified |
| Supported platforms | web |
| Deployment | Cloud |
| Platforms | Web |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | opentask.app |
| Facts checked | 22 Sep 2026 |
Alternatives to OpenTask
- TodoistA complete task manager with broad platform coverage, recurring tasks, and team workspaces.9.2
- TickTickA broad to-do app for users who want tasks, planning, habits, and focus tools together.9.0
- Microsoft To DoA capable free choice for daily planning, shared lists, and Microsoft-connected task management.8.8
See all OpenTask alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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