Atmel Studio
Atmel Studio is the integrated development platform (IDP) for developing and debugging Atmel.
17 Alternatives To Atmel Studio
Atom
At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.
CodeLobster IDE
CodeLobster IDE is a smart free cross-platform IDE primarily intended for editing PHP, HTML, CSS, JavaScript files with special support Drupal, Joomla, JQuery, AngularJS, CodeIgniter, CakePHP, Laravel, Magento, Symfony, Twig, Yii and WordPress
Netbeans
NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Qt Creator
Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.
Xcode
Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.