Open Source Secure Tunnels Projects
Tools for creating secure, encrypted tunnels to expose local services or connect networks over the internet.

NetBird
Self-hostable, zero-trust overlay network that combines a WireGuard-based mesh VPN with SSO, MFA, and granular access controls.
Alternative to:
Tailscale

Obscura VPN
Open-source two-party VPN that cryptographically prevents both Obscura and its exit hop from seeing your traffic.
Alternative to:
NordVPN

Pangolin
Self-hosted identity-aware reverse proxy that securely exposes private services via encrypted tunnels without opening inbound ports.
Alternative to:
Cloudflare
Cloudflare
Proxly
A self-hosted tunneling tool — like ngrok, but on your own domain. Expose local dev servers through subdomains on your VPS.
Alternative to:
ngrok
ngrok