head to head · open source
OpenClaw vs Pearl
OpenClaw has 389,982 GitHub stars, 81,978 forks, 6,671 open issues and last shipped yesterday. Pearl has 1,093 stars, 180 forks, 40 open issues and last shipped 5 months ago. OpenClaw leads on adoption by 35,580% (389,982 vs 1,093 stars). OpenClaw is written in TypeScript under a custom or non-standard licence; Pearl is written in TypeScript under Apache-2.0. OpenClaw has attracted 21% as many forks as stars, Pearl 16%. OpenClaw was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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
| OpenClaw | Pearl | |
|---|---|---|
| GitHub stars | ★ 390K | ★ 1.1K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-04-30 |
| Forks | ⑂ 82K | ⑂ 180 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenClaw if
- You weight community size — 390K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Pearl if
- You want the Pearl 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 Pearl fits your workflow better
About OpenClaw
OpenClaw is an open source, self hosted AI assistant in the AI & Machine Learning / AI Interaction & Interfaces category that runs on hardware the user controls and meets them inside the messaging channels they already use, for individuals who want a personal assistant on a laptop and teams that want a shared deployment.
read the full OpenClaw overview →
About Pearl
Bubble Lab is an open core, TypeScript workflow engine that powers the Slack native Bubble Lab platform and its AI assistant Pearl, and it is aimed at teams that want operational work automated inside Slack as well as at developers and organisations that want to host that same execution engine on their own infrastructure.
read the full Pearl overview →
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Frequently asked questions
Is OpenClaw or Pearl more popular?
OpenClaw has 389,982 GitHub stars and Pearl has 1,093. OpenClaw has the larger community by that measure.
Are OpenClaw and Pearl free?
Both are open source. OpenClaw has no licence declared in this registry, and Pearl is licensed under Apache-2.0. Both are free to self-host.
What is the difference between OpenClaw and Pearl?
OpenClaw is written in TypeScript and Pearl 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, OpenClaw or Pearl?
Choose OpenClaw if you want the larger community (389,982 stars) or its Custom / other licence terms. Choose Pearl if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.