VPNs
Outline VPN
Outline VPN is a free and open-source tool that deploys Shadowsocks servers on multiple cloud service providers. The software suite also includes client software for multiple platforms. Outline was developed by Jigsaw, a technology incubator created by Google. https://en.wikipedia.org/wiki/Outline_VPN
Self-hostable: https://github.com/Jigsaw-Code/outline-apps
Mullvad
Good, secure and relative pricing. And they do research on having stateless servers (ie. all in ram), which is pretty cool.
Self-hosted
VPN Network
Wireguard
WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN.