Open source Web development tools
Courtesy of Datamation here's five open source development tools for Web developers.
First released by Twitter in 2011, Bootstrap is a front-end framework for Web development that aims to speed the development process. It takes a mobile-first approach and compiles code to pure CSS. Operating System: OS Independent
CodeMirror is a browser-based text editor. Basically, it allows Website developers to embed a code editor in their sites, which is useful if you're creating a site that offers programming tutorials. In addition to desktop browsers, it also works with many mobile browsers. Operating System: OS Independent
5. ZURB Foundation
One of the most popular projects on GitHub, Foundation humbly proclaims itself "The most advanced responsive front-end framework in the world." With it, web developers can quickly create sites that automatically adjust for the size and type of device being used for access. Operating System: OS Independent