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PceEmacs - Emacs clone in SWI-Prolog
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| Original author(s) | Jan Wielemaker |
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| Developer(s) | Jan Wielemaker, Anjo Anjewierden, etc |
| Initial release | 1987 |
| Stable release |
7.4.0-rc2 / 10 February 2017
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| Preview release |
7.5.1 / 10 February 2017
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| Development status | Actual |
| Written in | C, Prolog |
| Operating system | Cross-platform |
| Available in | English |
| Type | Logic programming |
| License | LGPL |
| Website | swi-prolog |
SWI-Prolog is a free implementation of the programming language Prolog, commonly used for teaching and semantic web applications. It has a rich set of features, libraries for constraint logic programming, multithreading, unit testing, GUI, interfacing to Java, ODBC and others, literate programming, a web server, SGML, RDF, RDFS, developer tools (including an IDE with a GUI debugger and GUI profiler), and extensive documentation.
SWI-Prolog runs on Unix, Windows, Macintosh and Linux platforms.
SWI-Prolog has been under continuous development since 1987. Its main author is Jan Wielemaker.
The name SWI is derived from Sociaal-Wetenschappelijke Informatica ("Social Science Informatics"), the former name of the group at the University of Amsterdam, where Wielemaker is employed. The name of this group has changed to HCS (Human-Computer Studies).
SWI-Prolog installs with a web framework based on DCGs.