GAppProxy - GAppProxy is an open source HTTP Proxy software runs on Google App Engine.
XX-Net - XX-Net is GoAgent with improvements.
V2Ray - A platform for building proxies to bypass network restrictions.
WallProxy - WallProxy is an open source Proxy software runs on Google App Engine.
Shadowsocks - A fast tunnel proxy that helps you bypass firewalls
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.