Open Source alternative to Todoist in 2026
We compare 1 self-hostable tool you can deploy on your own server in minutes, with license, tech stack and a ready-to-copy docker-compose.
Quick comparison
Sorted by featured first, then GitHub stars as a tiebreaker — the same rule we use across the whole site.
| Tool | License | Minimum RAM | Docker | GitHub |
|---|---|---|---|---|
| Vikunja Lightest optionMost popular on GitHub1-Click Deploy | AGPL-3.0 | ~256MB | ✅ | ★ ~8,000 |
Detailed profile of each alternative
Alternative to Todoist, Asana
Task and project manager, an alternative to Todoist and Asana.
How much does Todoist cost, and how much can you save?
Todoist charges a recurring monthly fee. Self-hosting the alternative, you only pay for the server — usually a few dollars a month.
Calculate your exact savings in the SaaS Audit →Already know which one you want?
Add Vikunja to the Stack Builder and generate a ready-to-deploy docker-compose.yml, alone or alongside the rest of your stack.
Build my stackFrequently asked questions
Do I need Docker to self-host a Todoist alternative?
Yes: the only alternative on this list has a ready-to-copy docker-compose.yml. You just need Docker installed on your server.
How much RAM do I need at minimum?
The lightest option on this list is Vikunja, which runs on as little as 256MB of RAM — enough for a cheap VPS.
Are they all 100% free, or are there paid features like on Todoist?
No: it's Open-Core. The core is free and self-hostable, but some advanced feature may stay paid — we call it out on its page.