Windmill
8.3#1 in api integration platformsFrom $120 a monthFree planWebAPILinuxSelf-hosted
VisitWindmill vs Workflow Engine
Workflow Engine
7.0#12 in workflow orchestration softwareFrom $8,000 a yearFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | Windmill | Workflow Engine |
|---|---|---|
| Company | Windmill says it was founded in 2022 and is based between San Francisco and Paris. | The product site identifies Optimajet Limited and lists its office at 14 Penn Plaza, 225 West 34th Street, New York, NY 10122. |
| Headquarters | San Francisco and Paris | New York, United States |
| Integrations | Windmill Hub lists more than 200 resource types, including Google services, GitHub, GitLab, Slack, Microsoft Teams, AWS, S3, BigQuery, ClickHouse, Datadog and Discord. | The maker lists plugins including Approval, Loops, File, Active Directory and Entra ID, Real-Time Tracking, and support for custom plugins. |
| Product | Windmill is an open-source workflow engine and developer platform for building endpoints, workflows and user interfaces. | Workflow Engine is an embeddable .NET workflow library that persists business process state in your database and supports timers, audit history, and process versioning. |
| Security | Windmill lists granular permissions, RBAC, secret management, OAuth, SSO and audit logs among its enterprise features. | The core engine has no user store and delegates workflow command authorization to an application-provided rule provider; authentication remains the host application's responsibility. |
Windmill plans
- Free and Open-sourceFree
- Enterprise$120 a month
- Enterprise example configuration$170 a month
Workflow Engine plans
- Workflow Engine FreeFree
- Workflow Engine Team$2,000, paid once
- Workflow Engine Complete$5,000, paid once
- Workflow Engine NEO Subscription$8,000 a year
- Workflow Engine NEO Business$10,000, paid once
- Workflow Engine NEO SaaS$15,000, paid once
Pick Windmill if…
Windmill suits teams building internal tools and workflows who want script-based or low-code development options. Its language support and self-hosting may also suit teams with established development and deployment workflows.
Pick Workflow Engine if…
Workflow Engine suits developers embedding workflow processes in .NET applications who want to host the software themselves. The Free edition is limited to personal, non-commercial use, while paid editions include internal commercial and public web app or SaaS options.