
DocCloak is a browser-based document anonymization tool that runs locally using WebAssembly. It can automatically detect and replace sensitive personal information (PII) in documents to prevent data leakage to AI services, while supporting the restoration of placeholders in AI responses to their original names. No server required, ensuring privacy and security.

Tailcat is a CLI tool built based on Go, which uses the Tailscale data plane to establish point-to-point WireGuard encrypted tunnels. No Tailscale account or control plane is required, and communication via DERP relay or direct connection is supported. It is suitable for Linux, macOS and Windows platforms and provides command line interface and WebAssembly browser demonstration function.