Tunnelblick

vs

FlyVPN

OpenVPN Manager is a tool which controls OpenVPN.

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.

Ivacy is a VPN provider that allow you to browse the web securely in private. With Ivacy you can bid farewell to geo-ristricted content and enjoy all that the web has to offer. Ivacy allows you to protect up to 10 devices at a time which means that you can protect yourself and your family with a single subscription.

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.

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.