WireGuard
Modern VPN protocol — kernel-level performance
4.0(97 reviews)free
free tieropen sourceself hostable
WireGuard is a modern open source VPN protocol built into the Linux kernel since 5.6. 4,000 lines of code vs 400,000 for OpenVPN. Used by NordVPN, Mullvad, and ProtonVPN as their primary protocol.
Pros
- Kernel-level performance — fastest VPN protocol
- 4,000 lines — minimal attack surface
- In Linux kernel since 5.6
Cons
- Requires static IP allocation — reduces anonymity unless combined with dynamic mapping
- Not obfuscated by default
Best For
Developers building private networks between servers or self-hosting VPN infrastructure
Pricing
Free Forever
Free
- Core features included
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