VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
LogikCull - Logikcull is a discovery automation platform that helps expedite and lower the cost of litigations & investigations.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Everlaw - Everlaw is an eDiscovery software for litigation, document review, and analysis.
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
Relativity - Cloud-based eDiscovery software for data analysis & review