Lazarus Free Pascal IDE Posted on 14 January 201614 January 2016 by kostas N. Wirth’ s Pascal programming language is the lingua franca of Comp. Science. Free object Pascal IDE is the well known Lazarus IDE. Lazarus IDE is: write once, compile anyware. See infos below: http://www.lazarus-ide.org Lazarus IDE Lazarus – Website Posted in Computer Science.