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PureVPN

OpenVPN is a free and open-source VPN client developed by OpenVPN Inc. The software can be used to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. OpenVPN uses custom security protocol that utilizes SSL/TLS for key exchange and is compatible with any OpenVPN protocol compatible server.

Without a VPN service, everything you do online gets tracked, followed, and even spied on. However, when using a virtual private network, you’re virtually putting on an online invisibility cloak. With CyberGhost VPN you can utilize the power of the internet with an encrypted connection is 100% anonymous and untraceable. CyberGhost VPN is powered by over 15 years experience and over 6800 servers across the globe that will ensure personal privacy when using the web.

TunnelBear encrypts your internet connection to keep your online activity private on any network. It's one of the few VPN providers in the world that publish regular security audits of their network and applications, by a third-party security auditor.

With ExpressVPN you can overcome content restrictions and censorship so that you can access video, music, social media, and more, from anywhere in the world. ExpressVPN hides your IP address and encrypts your network data so no one can see what you're doing online. In 2020, both TechRadar and CNET named the service their Editors' Choice

Private Internet Access or PIA for short, has the largest virtual private network capacity across the globe to provide the highest speeds and most encryption. The service prides it self of being privacy-focused and is the only VPN server that has a proven non-log record. Apps provided by Private Internet Access use OpenVPN and WireGuard, two of the latest, most secure protocols. OpenVPN uses AES-128 encryption by default, but you can bump that up to AES-256 in the settings. With Private Internet Access you can also set the data authentication and handshake methods, including RSA-2048 and RSA-4096.

SocialVPN or IPOP (IP-Over-P2P) is a user-centric, open-source software virtual network that lets end users build their own VPNs. SocialVPN is capable of establish peer-to-peer (P2P) virtual private networks with the help of a social backend like XMPP server (Jabber-Net or Google chat). Such reliable backend can securely authenticate users, maintain a list of each party and establish secure TLS for X.509 certificate exchange.