| OpenClawTypeScript · MIT | Self-hosted | Moderate | Full | Free + API use | Sender pairing, allowlists, optional Docker sandbox | The most features, 29 channels and the biggest skill ecosystem |
| NanoClawTypeScript · MIT | Self-hosted | Moderate | Full | Free + API use | Container per chat group | A small codebase you can read in an evening |
| ZeroClawRust · MIT | Self-hosted | Easy | Full | Very low | Workspace-scoped files, command allowlists, encrypted secrets | Cheap hardware and people moving off OpenClaw |
| NanobotPython | Self-hosted | Easy | Full | Low | Runs in one Docker container | Python developers, students and researchers |
| PicoClawGo · MIT | Self-hosted | Easy | Full | Very low | Minimal, built for embedded devices | Raspberry Pi-class and $10 boards |
| IronClawRust | Self-hosted | Hard | Full | Medium | Sandboxed tools, encrypted credential vault, leak scanning | Sensitive data and regulated teams |
| Hermes AgentOpen source | Self-hosted | Easy | Full | Free + API use | Local dashboard, you choose the tools | An agent that writes and improves its own skills |
| n8nSource-available | Self-hosted or cloud | Moderate | Full (self-hosted) | Free self-hosted, paid cloud | Every step is visible in the workflow | Predictable automations, not open-ended chat |
| ChatGPT agentOpenAI | Hosted | None | Limited | From $20/mo | Runs in OpenAI's cloud, asks before key actions | Zero setup and a familiar app |
| ClaudeAnthropic | Hosted | None | Limited | From $20/mo | Managed by Anthropic, permission prompts | Polished agent features for documents and apps |
| Perplexity ComputerPerplexity | Hosted | None | Limited | From $20/mo | Managed cloud browser | Web research and monitoring tasks |