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Windmill vs Jan

WindmillJan

Turn scripts into workflows, APIs, and internal tools.

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Run open-source AI chatbots offline on your own computer.

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Votes00
PricingFreemiumFree
CategoryAutomationChatbots
Tags
practical-ossopen-sourceself-hostedautomation
practical-ossopen-sourceself-hostedoffline
Best for——
Pros
  • Auto-generates web UIs and webhooks from your scripts, with no frontend work required
  • Polyglot: Python, TypeScript, Go, Bash, SQL, PowerShell, Rust, and more in one platform
  • Many triggers (schedules, webhooks, HTTP routes, Kafka, WebSockets, email) plus a flow and low-code app builder
  • Fast, self-hostable engine with a Rust backend, Postgres queue, and nsjail sandboxing; deploys via Docker Compose or Kubernetes
  • Free for internal use, with Git sync, a VS Code extension, and a community hub of shared scripts
  • Runs LLMs fully offline on your own hardware, so conversations stay private by default
  • Simple point-and-click model downloads from Hugging Face, no command line required
  • Genuinely open source under the permissive Apache-2.0 license
  • Exposes an OpenAI-compatible local API server (localhost:1337) for wiring into other apps
  • Optionally connects to cloud providers and supports MCP for agent-style tool use
Cons
  • AGPL-3.0 plus proprietary Community Edition features: commercial redistribution, embedding, or managed-service use requires a paid license
  • Self-hosting requires running and maintaining Postgres and worker infrastructure
  • The project states it is not currently seeking outside contributions, limiting community code input
  • The breadth of triggers, flows, and apps carries a learning curve for new teams
  • Local model quality depends heavily on your RAM and GPU; small models are far weaker than ChatGPT or Claude
  • Decent performance effectively needs 16GB+ RAM and ideally a supported GPU
  • Still maturing, with a fairly high open issue count and occasional rough edges
  • Building from source on Windows is involved and requires a full compiler toolchain

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