OpenClaw
By OpenClaw Foundation
Open-source autonomous AI agent that runs locally and acts through messaging apps (WhatsApp, Telegram, Discord, Signal). Plugs into Claude, GPT, or DeepSeek and gets persistent memory plus access to your files, terminal, and calendar. MIT-licensed; the most-starred OSS project on GitHub.
Best for
- always-on personal AI assistant
- self-hosted agent with persistent memory
- WhatsApp- or Telegram-driven workflows
- open-source alternative to closed-box agents
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