Windmill
Code-first orchestration platform for internal software·windmill.dev
Windmill is an open-source and self-hostable workflow engine and developer platform that turns scripts into auto-generated UIs, APIs, and cron jobs. It lets teams build and orchestrate workflows, internal apps, data pipelines, and AI agents using 20+ programming languages. It offers a browser-based editor as well as local/CLI development, Git-based version control, and enterprise features like SSO, SAML, audit logs, and role-based access control.
What it's for
Features 19
- AI agent building with tool-calling and DAG orchestration
- Audit logs of every operation
- Built-in triggers: webhooks, schedules, Kafka, Postgres, WebSockets, MQTT, SQS, NATS, GCP, Azure Event Grid, emails
- CLI and VS Code extension for local development
- Data pipeline / ETL orchestration with DuckDB and DuckLake
- Git-based version control and Git sync
- Low-code and full-code app builder (React, Svelte, drag-and-drop legacy editor)
- OpenAPI support
- Private and public Hub for script/flow libraries
- Real-time execution logs and observability
- Role-based access control (RBAC) with path-based ACLs
- Self-hosting via Docker or Kubernetes
- SSO, SAML, and SCIM authentication support
- Supports 20+ languages including TypeScript, Python, Go, Bash, SQL, PHP, C#, Rust, Ruby, R, Java
- Turn scripts into auto-generated UIs, APIs, and cron jobs
- Windows automation (PowerShell, MSSQL with Kerberos, C#) on domain-joined servers
- Worker groups, autoscaling, and dedicated/agent workers
- Workflow/flow editor with approval steps, parallel branches, loops, conditional logic
- Workspace object storage (S3, Azure Blob, GCS)
At a glance
Integrations
Complianceself-reported
Pricing
Enterprise pricing is usage-based (per developer/operator seat plus Compute Units for workers); starting figure shown is 'from $120/mo'. A Nonprofit tier is mentioned by name with no separate price given. A one-month trial of Enterprise is offered.
Open-source, self-hostable edition
Max 10 users with SSO; 100 free app guests per 30 days; 3 workspaces; max 50 users; 10 GiB storage quota
Listed as 'from $120/mo'; a one-month trial is offered ('Try it for a month'); a downloadable quote and 'Get in touch' option are also offered for custom pricing; Nonprofit tier mentioned but no separate price shown.
Includes Pro, Nonprofit, and Enterprise tiers; Pro is capped at 10 users with SSO and 10 Compute Units and gets email support with 48-hour response; full Enterprise is uncapped