head to head · open source
Archon vs Slickflow
Archon has 23,505 GitHub stars, 3,474 forks, 321 open issues and last shipped 2 days ago. Slickflow has 920 stars, 264 forks, 11 open issues and last shipped 3 months ago. Archon leads on adoption by 2,455% (23,505 vs 920 stars). Archon is written in TypeScript under MIT; Slickflow is written in C# under MIT. Archon has attracted 15% as many forks as stars, Slickflow 29%. Archon was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (workflow-engine), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Archon | Slickflow | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 920 |
| License | MIT | MIT |
| Written in | TypeScript | C# |
| Last push | 2026-09-18 | 2026-06-24 |
| Forks | ⑂ 3.5K | ⑂ 264 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Archon if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Slickflow if
- You want the Slickflow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and Slickflow fits your workflow better
About Archon
Archon is an open source workflow engine for AI coding agents, written in TypeScript and released under the MIT license. It lives in the AI coding ecosystem, alongside tools such as Claude Code, and is distributed through the Bun runtime and the GitHub CLI. The project describes itself as a harness builder: it lets a developer encode a development process as a YAML workflow and then run that workflow reliably across projects. Workflows are stored in a .archon/workflows/ directory and committed to the repository, so the same definition can be invoked from the CLI, a web UI, Slack, Telegram, or GitHub.…
read the full Archon overview →
About Slickflow
Slickflow is an MIT licensed, .NET 8 open source workflow engine that treats large language model nodes, business rules, and multi agent orchestration as first class steps inside BPMN process diagrams, aimed at .NET developers and teams building AI driven business process automation.
read the full Slickflow overview →
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Frequently asked questions
Is Archon or Slickflow more popular?
Archon has 23,505 GitHub stars and Slickflow has 920. Archon has the larger community by that measure.
Are Archon and Slickflow free?
Both are open source. Archon is licensed under MIT and Slickflow under MIT. Neither carries a licence fee.
What is the difference between Archon and Slickflow?
Archon is written in TypeScript and Slickflow in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Archon or Slickflow?
Choose Archon if you want the larger community (23,505 stars) or its MIT licence terms. Choose Slickflow if its feature set, stack or MIT licence fits better. Both are self-hostable.