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, health, shipping, confidence, and then adoption as a tie-breaker.

#ToolHealthShippingOpennessStarsScoreStatus
01Tailscale
Zero-config VPN built on WireGuard
9895OSI-approved OSS34.5k98Active
02Headscale
An open source, self-hosted implementation of the Tailscale control server
9187OSI-approved OSS42.3k91Active
03Firezone
Enterprise-ready zero-trust access platform built on WireGuard®.
8787OSI-approved OSS9k90Active
04i2pd
🛡 I2P: End-to-End encrypted and anonymous Internet
7878OSI-approved OSS4.2k81Active
05Firewalla
http://firewalla.com
7269OSI-approved OSS61775Warning
06TrustTunnel
Obfuscated VPN protocol and client/server tooling.
6622OSI-approved OSS3.4k59Warning
07zrok
Secure internet sharing made simple.
5331OSI-approved OSS4.6k58Warning
08fail2ban
Daemon to ban hosts that cause multiple authentication errors
7410OSI-approved OSS18.3k56Warning
09OpenCloudflareCDN
Open-source reverse proxy inspired by Cloudflare with bot-blocking challenges.
280OSI-approved OSS632Critical

Evidence Watch

Tracked tools with useful public signals but no verdict score yet.