frp (Fast Reverse Proxy) — #2 Alternative to ngrok
Battle-tested Apache-2.0 Go reverse proxy tunneling HTTP, TCP, UDP, and P2P behind NAT
Pairs a tiny `frps` server binary on any cheap public VPS with `frpc` on dev laptops or home servers—supporting wildcard subdomains, mTLS, and load balancing.
License: Apache-2.0 · Pricing: Free & Open Source · Compare all ngrok alternatives · Official Website