Mockaroo - A realistic data generator to test your app
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
JSON Generator - Create mock and sample JSON using a powerful template syntax
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Softbuilder SB Data Generator - SB Data Generator is a simple and powerful tool to generate and populate selected tables or entire databases with realistic test data.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.