Intland - codeBeamer ALM is an Application Lifecycle Management software that helps you build better software products faster and in higher quality.
Beyond Compare - Beyond Compare allows you to compare files and folders.
IKAN ALM - IKAN ALM enables development teams to set up customizable software lifecycles, automate build and deploy processes and manage approvals.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Flosum - Flosum, get back to coding with the only automated Salesforce Continuous Delivery Software that is compliant + native to Salesforce.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.