AlwaysVPN

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VPN Unlimited

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.

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.

Mullvad is a VPN service that helps keep your online activity, identity, and location private.

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.

Dashlane is a cross-platform subscription-based password manager, digital wallet application and VPN service available on macOS, Windows, iOS and Android. Everything you store in Dashlane is encrypted (converted to an unreadable code) using your Master Password as the key. Without it, your data remains safely indecipherable. The VPN services are provide through a third-party's technology, called Pango's Hotspot Shield. With the free version of Dashlane you can securely store and autofill up to 50 account passwords plus all your personal and payment information, where as with the premium version you have unlimited access to all services provided by Dashlane.

VPNBook is one of the leading VPN service providers over the internet that is offering most of the VPN services for free like the premium VPN services.