Tunneling & WebSocket

cname.dev

Free and secure dynamic reverse proxy service.

https://cname.dev/

conveyor.cloud

Visual Studio extension to expose IIS Express to the local network or over a tunnel to a public URL.

https://conveyor.cloud/

Expose

Expose local sites via secure tunnels. The free plan includes an EU Server, Random subdomains, and Single users.

https://expose.dev/

Hamachi

LogMeIn Hamachi is a hosted VPN service that lets you securely extend LAN-like networks to distributed teams with a free plan that allows unlimited networks with up to 5 people

https://www.vpn.net/

Hookdeck

Develop, test, and monitor your webhooks from anywhere. 100K requests and 100K attempts per month with three days retention.

https://hookdeck.com/pricing

localhost.run

Expose locally running servers over a tunnel to a public URL.

https://localhost.run/

localtonet

Multi-protocol tunneling for HTTP, TLS, TCP, UDP, File Server (Default, SFTP, WebDAV), and Proxy Tunnel (HTTP, SOCKS5, Shadowsocks, VLESS). Free plan: 1 tunnel, 1GB/month bandwidth, 30 min timeout (excl. HTTP Tunnels).

https://localtonet.com/

localtunnel

Expose locally running servers over a tunnel to a public URL. Free hosted version, and open source.

https://theboroer.github.io/localtunnel-www/

LocalXpose

Reverse proxy that enables you to expose your localhost servers to the internet. The free plan has 15 minutes tunnel lifetime.

https://localxpose.io

ngrok.com

Expose locally running servers over a tunnel to a public URL.

https://ngrok.com/

Pinggy

Public URLs for localhost with a single command, no downloads required. HTTPS / TCP / TLS tunnels. The free plan has 60 minutes tunnel lifetime.

https://pinggy.io

Radmin VPN

Connect multiple computers together via a VPN-enabling LAN-like network. Unlimited peers. (Hamachi alternative)

https://www.radmin-vpn.com/

serveo

Expose local servers to the internet. No installation, no signup. Free subdomain, no limits.

https://serveo.net/

stun:global.stun.twilio.com:3478?transport=udp

Twilio STUN

stun:global.stun.twilio.com:3478?transport=udp

stun:stun.l.google.com:19302

Google STUN

stun:stun.l.google.com:19302

Tailscale

Zero config VPN, using the open-source WireGuard protocol. Installs on MacOS, iOS, Windows, Linux, and Android devices. Free plan for personal use with 100 devices and three users.

https://tailscale.com/

webhookrelay.com

Manage, debug, fan-out, and proxy all your webhooks to public or internal (i.e. localhost) destinations. Also, expose servers running in a private network over a tunnel by getting a public HTTP endpoint (https://yoursubdomain.webrelay.io <----> http://localhost:8080).

https://webhookrelay.com

Xirsys

Unlimited STUN usage + 500 MB monthly TURN bandwidth, capped bandwidth, single geographic region.

https://www.xirsys.com/pricing/

ZeroTier

FOSS managed virtual Ethernet as a service. Unlimited end-to-end encrypted networks of 25 clients on the free plan. Clients for desktop/mobile/NA; web interface for configuration of custom routing rules and approval of new client nodes on private networks

https://www.zerotier.com