Top 12 Netbeans Alternatives

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

Capable and Ergonomic IDE for JVM

State-of-the-art tools and services that you can use to create great apps for devices, the cloud, and everything in between.

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.

Aptana

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.

Build and debug modern web and cloud applications, by Microsoft

Professional IDE for PHP and Web Developers

Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.

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.

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

Most simple text editor. Just plain text, saves in .txt format.