ImageOptim - Faster web pages and apps.
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
OpenVPN - OpenVPN - The Open Source VPN
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
TunnelBear - Really simple VPN to browse the web privately & anonymously.