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Windmill

Hacker Approved

Shares rank 5 of 12 workflow engines by recommenders

People recommend Windmill as a dependable workflow engine that integrates well with Python, Postgres and DuckDB. The most common caveat is its licensing.

People recommend Windmill as a dependable workflow engine that integrates well with Python, Postgres and DuckDB. The most common caveat is its licensing.

12 people gave an opinion

recommend it
11
criticize it
1
approval share
92%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 11 people recommend itNeeds 10 or more, met.
  • 11 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Named alongside Dagu and Rivet

    “Let me introduce you to a few of my friends: Make, Task, Dagu, Windmill, Rivet, Inngest”

    Comment from 23 Feb 2026 in “Google restricting Google AI Pro/Ultra subscribers for using OpenClaw”

    “Dagu, Windmill, Rivet, Inngest”

    Comment from 23 Feb 2026 in “Aqua: A CLI message tool for AI agents”

What people warn about

Each mark is one comment

  • Licensing situation is not great

    “the licensing situation is not great”

    Comment from 14 Dec 2025 in “Dagger: Define software delivery workflows and dev environments”

Other workflow engines people recommend

The four most recommended other workflow engines, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Windmill compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Temporal1384376%121 yr13 ownersApproved
DBOS39981%12—Approved
Apache Airflow18578%10—Approved
Restate16384%10—Approved
WindmillThis page11192%6—Approved
See all 12 workflow engines, ranked

What people said

12 of the 16 comments that mention it, newest first. Each links to the original comment.

“without the nice ui given by these tools”

RecommendsComment from 25 Sep 2026 in “Show HN: AgentRun: DSL to turn agents into workflows”

“We're betting on this too at”

RecommendsComment from 23 Sep 2026 in “Stripe's Knowledge AI Platform”

“Big fan of Windmill here! Use it heavily. The way you guys integrate seamlessly with Bun/DuckDB/Postgres/Python is just fantastic.”

RecommendsComment from 18 Aug 2026 in “A Preview of DuckDB v2.0”

“Windmill looks to have an excellent community around it.”

RecommendsComment from 5 Aug 2026 in “Bending Spoons makes first post-IPO acquisition with $1.3B Airtable deal”

“gives you some observability out of the box and protect secrets from llm is nice”

RecommendsComment from 7 May 2026 in “Agents need control flow, not more prompts”

“it's much more controlled than OpenClaw”

RecommendsComment from 11 Apr 2026 in “I've Seen a Thousand OpenClaw Deploys. Here's the Truth”

“Dagu, Windmill, Rivet, Inngest”

RecommendsComment from 23 Feb 2026 in “Aqua: A CLI message tool for AI agents”

“Let me introduce you to a few of my friends: Make, Task, Dagu, Windmill, Rivet, Inngest”

RecommendsComment from 23 Feb 2026 in “Google restricting Google AI Pro/Ultra subscribers for using OpenClaw”

“Boring? Maybe. Dependable? Yes.”

RecommendsComment from 5 Feb 2026 in “Nanobot: Ultra-Lightweight Alternative to OpenClaw”

“there's too much "sorry not in the open-source edition, please buy the entreprise edition" stuff all around, which makes it quite unusable”

CriticizesComment from 14 Dec 2025 in “Dagger: Define software delivery workflows and dev environments”

“the licensing situation is not great”

MixedComment from 14 Dec 2025 in “Dagger: Define software delivery workflows and dev environments”

“I really like windmill.dev which should support your scenario just fine”

RecommendsComment from 12 Dec 2025 in “Show HN: Sim – Apache-2.0 n8n alternative”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.