VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Folder Lock - Folder Lock is a security software that helps you to password protect files, shred files, clean history, encrypt the personal documents and much more.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Wise Folder Hider - Wise Folder Hider is a free file/folder hiding tool.
Now Platform - Get native platform intelligence, so you can predict, prioritize, and proactively manage the work that matters most with the NOW Platform from ServiceNow.
Vov Hide Files - Lock your files and folders from prying eyes.