3. NanoClaw -- Security-First OpenClaw Alternative (qwibitai/nanoclaw)

GitHub·high signal

Lightweight alternative to OpenClaw focused on real security through OS-level container isolation (Apple Container on macOS, Docker on Linux). OpenClaw has ~500K LOC and runs everything in one Node process; NanoClaw provides the same core functionality (WhatsApp, Telegram, Slack, Discord, Gmail) in a codebase small enough to audit. Each agent group gets isolated filesystem, own CLAUDE.md memory, and containerized bash. Skills added via commands like /add-whatsapp. Built directly on Anthropic's A