A simple, decentralized mesh VPN with WireGuard support.

Connect your devices into a secure WireGuard®-based overlay network with SSO, MFA and granular access controls.

PJSIP project

A powerful and extremely lightweight encrypted port forwarder based on reliable UDP protocol.

GNU Gatekeeper - H.323 server for VoIP and videoconferencing

A zeroconf peer-to-peer mesh VPN using Wireguard® and Interactive Connectivity Establishment (ICE)

Infinitely transfer between every device over pure HTTP with pipes or browsers

P2P SSH using WebRTC

Make terminal personal file transfers as simple as `cp`

A secure and fast open-source Python library for P2P file transfers

Lightning-fast reverse tunneling solution for NAT traversal, optimized for handling massive concurrent connections with tcp, tcpmux, udp, udp over tcp, ws, wsmux, wss and wssmux support.

一款社区驱动的免费、高速、稳定、安全的内网穿透、网络隔离、P2P传输、零信任网络ZTNA、堡垒机、异地组网SD-WAN，打破传统网络边界的Mesh网格网络安全产品。

Lightning-fast reverse tunneling solution for NAT traversal, optimized for handling massive concurrent connections with tcp, tcpmux, udp, ws, wsmux, wss and wssmux support.

JUICE is a UDP Interactive Connectivity Establishment library

A Java implementation of the ICE protocol

A quick and secure reverse proxy based on QUIC for NAT traversal.

A secure, stable and high-performance reverse proxy with TCP/UDP support.

Peer to Peer VPN based on easytier core

python P2P VPN and port forward client/server

UPnP IGD implementation