kestra-io/kestra

Kestra

Declarative orchestration for data and business workflows.

Open sourceActiveAn ops project

“Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.” — from the project

The license, in plain English

License: Apache 2.0 · OSI-approved
Use it at work?: Yes — use it anywhere, including in commercial products.
Share your changes?: No. Keep the copyright notice and you’re done.

Our reading, not legal advice — the repository’s LICENSE file is the source of truth.

Alternatives

n8n-io

n8n

Visual workflow automation with code when you need it.

Source-available★ 209,002 huginn

Huginn

Agents that watch the web and act on your behalf.

Open source★ 50,179 activepieces

Activepieces

No-code automation with an MIT-licensed core and a growing piece library.

License unclear★ 25,277 node-red

Node-RED

Flow-based wiring for APIs, devices and services.

Open source★ 23,793 windmill-labs

Windmill

Scripts, flows and internal apps from Python, TypeScript and SQL.

License unclear★ 18,315 triggerdotdev

Trigger.dev

Background jobs and AI workflows in TypeScript.

Open source★ 16,650