Windmill
Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.
Windmill scores 7.5/10 (Strong) in Orchestration.
Language Rust License Custom (see repo) Stars 17k★ Type service Self-host Yes Repo windmill-labs/windmill Homepage https://windmill.dev
Quality
Strong 7.5
Adoption 56
Activity 86
Maturity 100
Community 51
Capability 50
Show the math
Overall 7.5/10
value = 7.5/10
score = value
Adoption 6/10
value = 55.8/100
score = 1 + 9 * value / 100
Activity 8.7/10
value = 86/100
score = 1 + 9 * value / 100
Maturity 10/10
value = 100/100
score = 1 + 9 * value / 100
Community 5.6/10
value = 50.7/100
score = 1 + 9 * value / 100
Capability 5.5/10
value = 50/100
score = 1 + 9 * value / 100
Key metrics
17k★ GitHub stars
1k/90d Recent commits
6 devs/90d Recent contributors
4.2y Project age
active Last commit
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No license
No OSS license
No recognized open-source license is declared; using it commercially is legally ambiguous.
- Self-hosted
Self-hosted
You deploy and operate it yourself; there is no hosted option here.
- Managed option
Managed option
Available as a hosted/managed service in addition to self-hosting.
workflows scripts low-code self-hostable scheduler