Eclipse 1.0 (November 7, 2001): based on an earlier Java IDE called VisualAge from IBM.Eclipse is cross-platform and runs under Windows, Linux and macOS. It also supports C/C++, PHP, Python, Perl, and other web project developments via extensible plug-ins. Eclipse is popular for Java application development (Java SE and Java EE) and Android apps. Eclipse is an open-source Integrated Development Environment (IDE) supported by IBM.