Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Checkmarx - The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Invicti (formerly Netsparker) - Netsparker Security Scanner is a simple-yet-powerful web-based security scanner that automatically identifies XSS, SQL Injection, and all the other vulnerabilities and security flaws in sites, web apps, and web services.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.