Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
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.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.
Eclipse - 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.
PhraseExpress - PhraseExpress is one of the best and most fully featured text expansion apps available to Windows users.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM