Holesail

The product is an open-source peer-to-peer tunneling tool that exposes local servers to the internet and bypasses firewalls, NAT and CGNAT without port forwarding or dynamic DNS. It sells to developers, IT and operations teams in businesses of all sizes and individual users who self-host applications. It is delivered as a CLI, Node API, VS Code extension and cross-platform desktop and mobile apps that create direct, end-to-end encrypted connections with no central servers and zero configuration.

Key features

• Direct P2P tunneling
• Bypass firewalls and CGNAT
• Bypass NAT restrictions
• No port forwarding required
• No Dynamic DNS required
• End-to-end encryption
• Zero-knowledge architecture
• No central servers
• No account or login
• No logging
• TCP and UDP support
• Key-based sharing
• Zero configuration setup
• Cross-platform support (Windows, macOS, Linux, iOS, Android)
• CLI tool
• Node API for tunneling
• VS Code Liveports extension
• Kademlia DHT routing