5 Best Tunneling Tools in 2026

Best Tunneling Tools in 2026 – Why You Need Them

Tunneling tools let you expose a local server to the internet without configuring firewalls, forwarding ports, or renting a hosting plan. They are essential for testing webhooks, demoing projects to clients, building bots, and integrating with third-party APIs. In 2026, the tunneling landscape has matured significantly – there are options for every use case, from commercial SaaS platforms to open-source projects.

Choosing the right tool is not straightforward: some are free but limited in protocol support, others are powerful but require a paid subscription. In this article, we compare five popular tunneling tools across eight criteria and provide concrete recommendations for different scenarios.

Comparison Table: 5 Best Tunneling Tools in 2026

Here is how the five tools compare across nine criteria.

In-Depth Review of Each Tunneling Tool

Let us take a closer look at each tool – what it does well, where it falls short, and who it is for.

fxTunnel – Open-Source SaaS Tunnel

fxTunnel is a SaaS tunneling service with fully open-source code, written in Go. Install the client, run a command, and you have a public URL in about 30 seconds. The free tier has no limits on traffic, tunnels, or connections. Paid plans from $5/mo add custom domains (up to 5 tunnels), traffic inspector, and replay. From $10/mo you get 10+ tunnels. Unlike ngrok, fxTunnel does not restrict the number of agents or connections. Unlike Cloudflare Tunnel, it does not require DNS migration. It supports HTTP, TCP, and UDP – the only tool on this list that covers all three protocols. More on the fxTunnel architecture.

Strengths:

• Free SaaS tier with no limits on traffic, connections, or tunnels
• From $5/mo: custom domains, up to 5 tunnels, traffic inspector + replay
• From $10/mo: 10+ simultaneous tunnels
• Fully open source – source code on GitHub, security auditable
• HTTP + TCP + UDP out of the box – the only tool of the five supporting all protocols
• Simple CLI – one command to start, setup takes 30 seconds
• Works with any DNS – no provider lock-in

Limitations:

• Younger project — the integration ecosystem is still growing, but actively developed

# Install fxTunnel
curl -fsSL https://fxtun.dev/install.sh | bash

# Or via Go
go install github.com/mephistofox/fxtun.dev/cmd/fxtunnel@latest

# HTTP tunnel to a local server
fxtunnel http 8080
# → https://abc123.fxtun.dev → localhost:8080

# TCP tunnel (PostgreSQL, SSH)
fxtunnel tcp 5432

# UDP tunnel (game server, DNS)
fxtunnel udp 27015

For most scenarios, fxTunnel covers what you need out of the box. If you want full control, the server component can also be deployed on your own VPS.

Cloudflare Tunnel — Free Tunneling Within the Cloudflare Ecosystem

Cloudflare Tunnel (formerly Argo Tunnel) is tightly integrated with the Cloudflare ecosystem. Beyond tunneling, you get DDoS protection and CDN. However, the ecosystem lock-in is a serious trade-off that does not work for everyone.

Strengths:

• Free for HTTP traffic with no usage limits
• Production-ready: DDoS protection, CDN, WAF
• Integration with Cloudflare Access (Zero Trust)
• Global network of edge locations — low latency worldwide

Limitations:

• Domain must be on Cloudflare DNS — a hard requirement. If your domain is with another registrar, you have to migrate DNS records
• Only HTTP is free; TCP requires paid plans, and UDP is not supported at all
• Setup takes 10+ minutes — you need to configure cloudflared, add your domain, and create routes
• Server-side code is fully proprietary — auditing is not possible

# Install cloudflared
brew install cloudflared   # macOS
# or download the binary from the Cloudflare website

# Authenticate
cloudflared tunnel login

# Create a named tunnel
cloudflared tunnel create my-app

# Run with routing to localhost:8080
cloudflared tunnel run my-app

Cloudflare Tunnel works for those who are already fully in the Cloudflare ecosystem and can accept the DNS lock-in. If you need TCP/UDP or freedom to choose your DNS provider, look elsewhere.

ngrok — The Industry Standard for Tunneling

ngrok is the most widely recognized tool in this category. Founded in 2013, it has become the de facto standard: when the Stripe, Twilio, or GitHub Webhooks documentation says “use a tunnel,” they almost always mean ngrok. However, brand recognition comes at a cost.

Strengths:

• Quick setup — from installation to a working tunnel in 2 minutes
• Built-in web inspector at localhost:4040, but no replay and limitations on the free tier
• Extensive documentation and integrations (Python, Go, JS)
• Stable infrastructure with a global server network

Limitations:

• Proprietary — source code is completely closed, security auditing is not possible
• Strict free tier limits: 1 agent, rate limits, random domain on every restart
• Scaling gets expensive: from $8/mo for the personal plan, a team of 5 costs $40/mo
• No UDP tunnels — not an option for game servers, VoIP, or IoT
• Vendor lock-in — you are entirely dependent on ngrok Inc.’s infrastructure and pricing

# Install ngrok
brew install ngrok   # macOS
# snap install ngrok  # Linux

# Authenticate (registration required)
ngrok config add-authtoken YOUR_TOKEN

# Start an HTTP tunnel
ngrok http 8080

ngrok remains a viable option for solo developers who only need a single HTTP tunnel and can live with the free tier limitations. For teams and TCP/UDP use cases, consider fxTunnel instead.

LocalTunnel — Maximum Simplicity for HTTP

LocalTunnel is an npm package that runs with a single command — no sign-up or authentication required. It is built around maximum simplicity: install via npm, run the command, get a URL. Perfect for one-off demos and quick tests when you don’t want any setup overhead.

Strengths:

• One-command install via npm
• No registration or tokens required
• Open source
• Ability to request a subdomain (--subdomain myapp)

Limitations:

• HTTP only — no TCP or UDP
• Unreliable — the public server is frequently overloaded
• No uptime or speed guarantees
• Minimal documentation
• Not suitable for team workflows or serious workloads

# Install via npm
npm install -g localtunnel

# Start a tunnel
lt --port 8080

# Request a specific subdomain
lt --port 8080 --subdomain myapp
# → https://myapp.loca.lt

LocalTunnel is a tool for throwaway tasks: quickly showing something to a colleague or testing a webhook with zero friction. For regular use or team workflows, choose fxTunnel instead — it is just as easy to launch but significantly more stable and supports TCP/UDP.

Bore — A Minimalist TCP Tunnel Written in Rust

Bore is a compact tool for creating TCP tunnels, written in Rust. Its philosophy is to do one thing well. Minimal dependencies, minimal configuration, a single binary. Bore is a solid choice when you need a TCP tunnel and nothing else.

Strengths:

• Written in Rust — high performance and memory safety
• Single binary with no dependencies
• Self-hosted — you can run your own server
• Minimalist architecture — easy to understand and configure

Limitations:

• TCP only — no HTTP-specific features (custom headers, domains) and no UDP
• Minimal documentation
• Small community
• No built-in TLS — needs to be configured separately

# Install via cargo
cargo install bore-cli

# Start a TCP tunnel through the public server bore.pub
bore local 8080 --to bore.pub

# Run your own server
bore server --min-port 1024 --max-port 65535

Bore is a good pick for minimalists who need a TCP tunnel and don’t need HTTP features. If you need HTTP or UDP support, look at fxTunnel instead.

Decision Matrix: Which Tunneling Tool to Choose in 2026

Which tool fits which scenario? Here is a quick reference.

Total Cost of Ownership: Tunneling Tool Pricing in 2026

Price matters, especially when a tool is used daily. Here is what each option costs across typical scenarios.

fxTunnel is free for basic use and cheaper than ngrok on paid plans ($5/mo vs $8/mo). ngrok scales up in cost quickly as your team grows. Cloudflare is free but only for HTTP and only with DNS lock-in.

FAQ – Frequently Asked Questions About Tunneling Tools

Which tunneling tool is best for beginners?

If you are just getting started, fxTunnel has the shortest path from install to a working tunnel – about 30 seconds. The free tier is unrestricted, and TCP/UDP work out of the box. ngrok is also straightforward, but its free tier limits you to a single agent.

Is there a free alternative to ngrok with no rate limits?

Yes. fxTunnel’s free tier does not impose traffic, tunnel, or connection limits. If you need custom domains and extras, paid plans start at $5/mo. The codebase is fully open source, so you can audit it yourself.

Can I use a tunnel in production?

It depends on the tool. fxTunnel supports custom domains via any DNS provider and all three protocols, starting at $5/mo for production features. Cloudflare Tunnel also works well for production (with DDoS protection and CDN), though it requires you to host DNS on Cloudflare. The other tools on this list are better suited for development and testing.

Which tunnel supports the UDP protocol?

Among the five tools in this review, only fxTunnel handles UDP. If you are running a game server, doing VoIP, or working with IoT devices that communicate over UDP, this is worth noting.