Micro Focus Fortify On Demand - Complete application security as a service (AppSec SaaS) solution with SAST, DAST, IAST, RASP, SCA (open source security), and developer security training.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Veracode - Veracode's application security software products are simpler and more scalable to increase the resiliency of your application infrastructure.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.