Proton VPN and Mullvad are among the best VPNs available, and both are open-source solutions. You can browse the code used in Proton VPN and Mullvad on GitHub to check that there isn’t any ...

If you're after a VPN with serious privacy chops, not just slick marketing, Proton VPN might be the best VPN for you. Built ...

OpenVPN is an open source SSL VPN system that supports servers and clients across several platforms. Version 1 required unique ports for individual VPN client connections.

Proton VPN is a trusted company offering open-source VPN apps with servers in 85 countries. Explore features and pricing in our Proton VPN review.

If you’ve ever explored VPN settings or read a tech guide, chances are you’ve seen the term OpenVPN pop up. But what exactly is it? Is it an app, a ...

Mullvad VPN has announced it will be removing all its OpenVPN servers in six months time. Servers will cease to work on January 15, 2026, and the provider's full focus will be on WireGuard. This news ...

A reputable provider should only support open-source VPN protocols. That's because only open-source code can be reviewed by security researchers to ensure it does what it says on the tin.

ProtonVPN: Best for speed Private Internet Access (PIA): Best open-source VPN Surfshark: Best for unlimited connections NordVPN: Best for security hide.me: Best free plan TunnelBear: Best for ...

On the other hand, OpenVPN is a well-established, open-source VPN solution that allows you to self-host your VPN server.

No matter what device or operating system you want to use, setting up your VPN doesn't have to be complicated.

In our 2025 testing, NordVPN came out on top with an impressively low 3% average internet speed loss. Mullvad, Surfshark, ...