Self-hosted apps that integrate with STUN servers

3 open-source, self-hostable projects list STUN servers as an integration.

• KasmVNCSelf-hosted, open-source web remote desktop: streams a Linux session to any browser over WebSocket or WebRTC, with DLP controls, multi-user permissions, and a REST API.
• ClipCascadeOpen-source clipboard sync for Windows, macOS, Linux and Android: text, images and files relayed by a self-hosted server or peer-to-peer, end-to-end encrypted.
• rustunnelrustunnel is a self-hosted, open-source tunnel server in Rust exposing local services via encrypted WebSocket. Free managed cloud with pay-as-you-go billing and MCP.