OkayFreedom VPN is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Tor Browser, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to OkayFreedom VPN and loads of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to OkayFreedom VPN are Tor (Free, Open Source), ProtonVPN (Freemium, Open Source), Freenet (Free, Open Source) and Mullvad (Paid, Open Source).
ZenMate is an easy to use Browser plugin that provides a VPN solution - encrypting all your browser traffic and routing it through our ZenMate cloud to provide a secure and private browsing experience. Forget internet restrictions!
Bitmask is an EXPERIMENTAL open source application to provide easy and secure encrypted communication. You can choose among several different service providers or start your own. Currently, it supports encrypted internet (VPN) and encrypted email.
sshuttle: where transparent proxy meets VPN meets ssh sshuttle is the only program that solves the following common case: Your client machine (or router) is Linux, FreeBSD, or MacOS. You have access to a remote network via ssh.