# OpenClaw vs ZClaw

> Side-by-side comparison of two projects in the OpenClaw ecosystem.

Canonical HTML: https://shelldex.com/compare/openclaw-vs-zclaw/
JSON: https://shelldex.com/api/compare/openclaw-vs-zclaw.json

| Field | OpenClaw | ZClaw |
| --- | --- | --- |
| Tagline | The OG self-hosted AI super-agent | Personal AI assistant on ESP32 — 888 KiB firmware |
| Language | typescript | c |
| Status | active | active |
| Stars | 372k | 2.1k |
| Forks | 77049 | 180 |
| Open issues | 7041 | 13 |
| License | MIT | MIT |
| Last commit | 2026-05-15T16:50:31Z | 2026-03-23T05:01:30Z |
| 7d growth | 3106 | 25 |
| MCP support | yes | no |
| Requires LLM | yes | yes |
| Platforms | server | embedded |
| Categories | reference, self-hosted | embedded, iot, minimal |
| Health score | 95/100 | 55/100 |
| Leaderboard rank | #1 | #22 |

## Key differences

- OpenClaw has 174x more stars (372k vs 2.1k), indicating significantly broader adoption.
- OpenClaw is growing faster with +3.1k stars this week vs +25 for ZClaw.
- OpenClaw is written in TypeScript while ZClaw uses C, which may influence your choice depending on your stack.
- OpenClaw was updated today, while ZClaw's last commit was 53 days ago.
- OpenClaw has a higher fork-to-star ratio (21% vs 8%), suggesting more active contributor participation.
- ZClaw supports embedded/IoT hardware while OpenClaw does not.

## Descriptions

### OpenClaw

The original. Self-hosted AI super-agent platform. Formerly Clawdbot, then Moltbot. The project that started it all.

### ZClaw

C-based personal AI assistant that runs on ESP32 microcontrollers. Supports scheduled tasks, GPIO control, persistent memory, custom tools, and Telegram integration. Strict 888 KiB all-in firmware budget including ESP-IDF runtime, Wi-Fi, TLS, and certs. The smallest claw-family project running on actual hardware.