Best VPN & Network Security tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.

#ToolHealthShippingOpennessStarsScoreStatus
01Tailscale
Zero-config VPN built on WireGuard
9797OSI-approved OSS36.4k97Active
02Firewalla
http://firewalla.com
9797OSI-approved OSS62797Active
03NetBird
Zero-configuration mesh VPN for business.
9796OSI-approved OSS29.2k97Active
04Pangolin
Identity-aware VPN and tunneled reverse proxy for remote access.
9697OSI-approved OSS22.7k97Active
05Firezone
Enterprise-ready zero-trust access platform built on WireGuard®.
9697OSI-approved OSS9.1k96Active
06Headscale
An open source, self-hosted implementation of the Tailscale control server
9595OSI-approved OSS43.8k95Active
07i2pd
🛡 I2P: End-to-End encrypted and anonymous Internet
9595OSI-approved OSS4.2k95Active
08Zentinel
Security-first reverse proxy built to guard the free web.
9394OSI-approved OSS11094Active
09Gravitl
WireGuard virtual networking platform.
9190OSI-approved OSS11.8k90Active
10Octelium
A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA platform, API/AI/MCP gateway, a PaaS, an ngrok-alternative and a homelab infrastructure.
8793OSI-approved OSS4k89Active
11fail2ban
Daemon to ban hosts that cause multiple authentication errors
8782OSI-approved OSS18.6k85Active
12OnionShare
Securely and anonymously share files, host websites, and chat with friends using the Tor network
8576OSI-approved OSS7.1k82Active
13TrustTunnel
Obfuscated VPN protocol and client/server tooling.
7867OSI-approved OSS3.5k74Active
14Rustunnel
Open-source tunnel that scales with you.
7672OSI-approved OSS65574Active
15Algo VPN
Set up a personal VPN in the cloud
6956OSI-approved OSS30.4k64Warning
16Cylonix
Client app alternative to Tailscale.
5341OSI-approved OSS4048Warning
17zrok
Secure internet sharing made simple.
3422OSI-approved OSS4.7k29Critical
18Tunnelmole
Get a Public URL for your local development enviornment
110OSI-approved OSS1.9k7Critical

Not Scored

Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.