Rill Flow

Judgement

What it is

Building block

What it does

A distributed workflow orchestration service from Weibo that runs DAG workflows across heterogeneous systems, with visual editing and plugins, including LLM task steps.

Adopt it when

You need a high-throughput DAG task orchestrator and are comfortable with a Java codebase with mainly Chinese support.

Watch out

No releases, quiet since April 2026, and a small outside community.

Ready for

Usable

Runs as

Self-hosted server

Built with

Java, TypeScript, Vue and Redis

How established

Established: started 3 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Rill Flow → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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