Lazarus
Lazarus is a cross-platform IDE for the Free Pascal compiler.
17 Alternatives To Lazarus
Android Studio
Android development environment based on IntelliJ IDEA
Aptana Studio
The world’s most powerful open-source web development IDE just got better. Rebuilt from the ground-up. It’s now much faster, customizable and includes new features to help you be more productive.
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.
B4X
Cross platform development tools for native iOS, Android, desktop and server applications.
CodeBlocks
Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users.
CodeLite
CodeLite is an open-source, cross platform IDE for the C/C++/PHP and Node.js programming languages.
Easy code
Easy Code is the visual assembly programming environment made to build 32-bit Windows applications.
KDevelop
KDevelop is a free, open source IDE (Integrated Development Environment) for Linux, Solaris, FreeBSD, Mac OS X and other Unix flavors.
LiveCode Platform
It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make…
Microsoft Visual Studio
Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
MonoDevelop
MonoDevelop enables developers to write desktop and web applications on Linux, Windows and Mac OS X.
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.
PyCharm
Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more…
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.
SharpDevelop
#develop (short for SharpDevelop) is a free IDE for C#, VB.NET and Boo projects on Microsoft’s .
Visual Studio Code
Build and debug modern web and cloud applications, by Microsoft
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.