kdiff3
Beyond Compare
WinMerge
Meld
DiffMerge
Araxis Merge
P4Merge
Devart Code Compare
Salesforce Platform
Google App Engine
Dokku
Google Cloud Functions
AWS Lambda
Now Platform
Azure Web Apps
QuickBase
kdiff3Beyond Compare - Beyond Compare allows you to compare files and folders.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
Google Cloud Functions - A serverless platform for building event-based microservices.