Trigger.dev vs Windmill
A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Trigger.dev | Windmill |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 95 · Excellent | 95 · Excellent |
| Category | Automation & Workflows | Automation & Workflows |
| License | Apache-2.0 | AGPL-3.0 |
| Language | TypeScript | Rust |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 1,024 MB |
| Deployment | docker | docker, kubernetes |
| GitHub stars | ★ 16,387 | ★ 18,022 |
| First released | 2022 | 2022 |
| Replaces | Zapier | Zapier, Retool |
What are Trigger.dev and Windmill?
Trigger.dev
Trigger.dev is an open-source platform for writing long-running background jobs and workflows directly in code with no timeouts. It targets developers building reliable async tasks. It is deployed via Docker.
- Background jobs written in code
- No execution timeouts
- Built-in retries and observability
- Scheduling and webhooks
Windmill
Windmill is a developer platform that turns scripts into workflows, APIs, and internal apps with scheduling and approvals. It targets engineers automating internal tooling. It is deployed via Docker with PostgreSQL.
- Scripts in Python, TypeScript and more
- Auto-generated UIs for scripts
- Flows with branching and retries
- Fast Rust execution engine
Trigger.dev vs Windmill: key differences
Trigger.dev is written in TypeScript, while Windmill is built with Rust. Licensing differs — Apache-2.0 for Trigger.dev versus AGPL-3.0 for Windmill.
Why pick each one
Choose Trigger.dev if…
- Code-first and developer friendly
- Reliable long-running tasks
- Good observability
Watch out for
- Aimed at developers only
- Requires Postgres and Redis
Choose Windmill if…
- Great for developer automation
- Fast and scalable
- Code-first approach
Watch out for
- More technical than no-code tools
- Requires Postgres
Frequently asked questions
Is Trigger.dev or Windmill better?
Neither is universally better. Windmill has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Trigger.dev and Windmill free and open-source?
Yes. Trigger.dev is licensed under Apache-2.0 and Windmill under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Trigger.dev and Windmill with Docker?
Trigger.dev: yes. Windmill: yes.