VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
V2Ray - A platform for building proxies to bypass network restrictions.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
GAppProxy - GAppProxy is an open source HTTP Proxy software runs on Google App Engine.
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
Shadowsocks - A fast tunnel proxy that helps you bypass firewalls