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...
C++ Builder - Modern, fast C++. Four platforms, backed by powerful UI and database frameworks.
PyScripter - PyScripter is a free and open-source Python Integrated Development Environment (IDE) created with...
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Leo Editor - Text and code editor where Outlines are first class citizen.