Hey HN, I built Tunn because I was frustrated with ngrok's latency and session limits.

It uses QUIC protocol instead of TCP, which gives ~4x lower latency with keep-alive connections (135ms avg vs 663ms for ngrok in my benchmarks).

Features: - HTTP/TCP/UDP tunneling (ngrok doesn't support UDP) - Built-in request inspector at localhost:4040 - QR code in terminal for quick mobile testing - 0-RTT reconnect (instant reconnect on network change) - Single binary, no dependencies

Written in Rust, uses quinn for QUIC transport.

Install: curl -s https://tunn.uz/install | bash Then: tunn http 3000

Free tier available, pro is $3/mo for static ports and custom domains.

Happy to answer any questions about the QUIC implementation or architecture decisions.