head to head · open source
Archon vs Trigger
Archon has 23,495 GitHub stars, 3,474 forks, 321 open issues and last shipped yesterday. Trigger has 16,324 stars, 1,462 forks, 342 open issues and last shipped yesterday. Archon leads on adoption by 44% (23,495 vs 16,324 stars). Archon is written in TypeScript under MIT; Trigger is written in TypeScript under Apache-2.0. Archon has attracted 15% as many forks as stars, Trigger 9%. Trigger was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, automation), 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 | Trigger | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 16K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.5K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Archon if
- You weight community size — 23K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Trigger if
- You want the Trigger feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Trigger 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 Trigger
Trigger is an open source TypeScript platform for building and deploying AI agents and workflow tasks. It lives in the infrastructure, orchestration, and scheduling ecosystem, and it is positioned as a way to run long running AI tasks without typical serverless timeout constraints. The project provides a software development kit, a deployment target, and operational features such as retries, queues, observability, and elastic scaling.
read the full Trigger overview →
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Frequently asked questions
Is Archon or Trigger more popular?
Archon has 23,495 GitHub stars and Trigger has 16,324. Archon has the larger community by that measure.
Are Archon and Trigger free?
Both are open source. Archon is licensed under MIT and Trigger under Apache-2.0. Neither carries a licence fee.
What is the difference between Archon and Trigger?
Archon is written in TypeScript and Trigger in TypeScript. 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 Trigger?
Choose Archon if you want the larger community (23,495 stars) or its MIT licence terms. Choose Trigger if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.