Clascal
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Clascal was the first working prototype of Object Pascal. Developed in 1983 by the Personal Office Systems (POS) division (later renamed The Lisa Division, still later The 32-Bit Systems Division) of Apple Computer it was the first truly object-oriented version of Pascal.
Clascal was an extension of Lisa Pascal that was strongly inspired by Xerox PARC's release of Smalltalk-80 and also by the Modula language.
| AAEC Pascal | Alice Pascal | Apple Pascal | Borland Pascal | Clascal | Delphi | Free Pascal Compiler (FPC) | GNU Pascal | Kylix | Lisa Pascal | Mac Pascal | Metrowerks Pascal | NBS Pascal | OMSI Pascal | PascalABC.net | P32 | Sibyl | Smart Pascal | Stanford Pascal Compiler | Swedish Pascal | THINK Pascal | Turbo Pascal | UCSD Pascal | VAX Pascal | Virtual Pascal | winsoft PocketStudio |
| An extensive list of compilers was maintained at Pascaland (Internet Archive Version) up to January 2018. |
