OpenConnect

vs

ExpressVPN

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.

Openswan has been a popular VPN alternative for Linux users since2005. It is an IPsec implementation with support for most of its extensions (RFC and IETF drafts), even IKEv2, NAT Traversal, X.509 Digital Certificates and more. Openswan comes packages with various Linux distributions, including Gentoo, Fedora, Ubuntu, Red Hat and others.

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.

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.

With Norton Secure VPN you can even access your favorite websites, videos or apps when travelling. Norton Secure VPN offers non-log VPN protection when surfing the web. Norton Secure VPN also blocks ad-tracking cookies, which stops annoying ads and enables faster browsing.

ProtonVPN is a virtual private network service provider operated by the Swiss company Proton Technologies AG, the provider of ProtonMail. Just like ProtonMail, ProtonVPN is a community supported project that aims to build a safer Internet that also protects civil liberties. The service provides a strict no data logging policy, that ensures that no personal data is kept by ProtonVPN. It also has Tor integration and SecureCore servers for additional security if needed. Currently, ProtonVPN provides over 560 servers in more than 40 countries.