| Amzi! Prolog + Logic Server: This extensible Prolog version runs under Windows, Linux, Solaris and HP/UX, supporting development of client and server applications embeddable in the web, C/C++, Java, Delphi, Visual Basic and other environments. An IDE is available for Windows along with an interpreter-based tutorial. | |
| Aquarius Prolog 1.0: The compiler for this open-source version developed at UCB is built around the Berkeley Abstract Machine, a finer-grained rendition of WAM. An interpreter provided for program development is written in Prolog. | |
| Arity/Prolog: With a compiler and interpreter written in Prolog, C and assembly language and representing a superset of Edinburgh Prolog, a programming environment is offered for Windows/NT. | |
| B-Prolog: Free, compact, full CLP system that runs Prolog and CLP(FD) programs. Emulator based, performance similar to SICStus-Prolog. Runs on: FreeBSD, Linux, Solaris, SunOS, Unix, Windows 9x/NT/2000. | |
| Babol Prolog: Prolog WAM-based implementation. Entirely written in C. Still under construction. | |
| BinProlog: BinNet Corporation offers a high-performance, robust Prolog system able to generate C/C++ code and standalone executables and providing high-level networking along with secure internet programming integrated with rule-based reasoning components. | |
| Brain Aid Prolog: Based on Edinburgh Prolog and extended with object-oriented mechanisms, this Berkeley-style open-source system has a compiler written in Prolog and generating Transputer assembly code. | |
| Ciao Prolog Development System: Full ISO-Prolog compliant system, modular design allows language restriction and extension. Descriptions, contacts, mail lists, downloads. [Open Source, GPL] | |
| CMU Free/Shareware Prolog: CMU's AI repository offers a collection of Prolog implementations. | |
| CU-Prolog: Constraint Unification Prolog (CUP) developed by the Institute for New Generation Computer Technology (ICOT), Japan. Originally written in C under Unix, MacCup is for Macintosh, DJCup for MS-DOS, with both implementations released as free software. | |
| EZY Prolog: A typed prolog interpreter, compatible with Visual Prolog, powrefull syntax checker with flow pattern analyser, GUI designer for declarative GUI, built-in functionality for ODBC, Winsock, regular expressions, text parsing, XML processing, HTML formatted output of Prolog source. [Free for research purposes] | |
| GNU Prolog: This compiler accepts Prolog + constraint programs and produces native binaries. The obtained executable is subsequently stand-alone. The size of this executable can be quite small since GNU Prolog can avoid linking the code of most unused built-in predicates. The performance of GNU Prolog is very encouraging (comparable to commercial systems). | |
| IF/Prolog: A Prolog implementation for use in industrial and commercial environments. It complies with the ISO Prolog standard and runs on UNIX and MS-Windows environments. IF/Prolog has a rich set of interfaces to standard software components and an additional Constraint Technology Package for efficient solutions of complex optimization problems. Comes with a Java interface. | |
| INRIA wamcc: Predecessor to GNU Prolog. Compiles Prolog via GCC 2.x | |
| K-Prolog: This is the English Online Manual for this Japanese implementation of Prolog for Solaris, HP-UX and 32-bit Windows environments. | |
| Logic Programming Associates: WIN-PROLOG, DOS-PROLOG, MacProlog32 compilers. Products range from Prolog++ an OOPs extension, flex an expert system toolkit, and various web based technologies. [Commercial] | |
| Logtalk: An object-oriented extension to the Prolog programming language. It integrates logic programming with object-oriented and event-driven programming. Compatible with most Prolog compilers. [Open source] | |
| NU-Prolog: The successor of MU-Prolog, this compiled Prolog system designed and implemented in the mid-80's as a 'purer' logic solution, interfaces with UNIFY databases and is available under an academic license. | |
| Palm Toy Language: A toy PROLOG interpreter for Palm. First PROLOG in PalmPilot. | |
| ProFIT: Prolog with Features Inheritance, and Templates: Prolog extension with sorted feature structures (including multi-dimensional inheritance), finite domains, feature search, cyclic terms, templates. | |
| Qu-Prolog: The Software Verification Research Centre (Univ. of Queensland) extended version of Prolog currently released under Linux and Solaris is designed primarily as a prototyping language and tactic language for theorem provers, including support for efficient higher-order programming and logic programming of interactive applications. | |
| Quintus Prolog: The Swedish Institute for Computer Science's implementation of Prolog for UNIX and PC platforms is embeddable, integrable and commercial-strength. | |
| Reform Prolog: Recursion-parallel Single Program, Multiple Data (SPMD) implementation; assumes one sequential worker and arbitrary, fixed number parallel workers, each worker is process, can have more workers than processors. Successor: High Performance Erlang. [Open Source, GPL] | |
| SICStus Prolog 3: This ISO-conformant performance-oriented Prolog development system also features interfaces with C/C++, Java and ODBC-compliant DBMS's and an OOP extension. | |
| Strawberry Prolog: This Prolog compiler for Windows 95/98/NT and Unix/Linux supports OLE and Prolog CGI Scripts. Strawberry Prolog is suitable for client-server applications and has unique debugging facilities. | |
| SWI-Prolog: Stable and free standard Prolog implementation. Targeted primarily at research and education. Windows, Linux and Unix versions available. Comes with a visual debugger and a GUI environment. | |
| The YAP Prolog System: The University of Porto's Edinburgh-style, WAM-based Prolog engine is available on 32-bit machines running Sun and Linux and 64-bit Alphas running OSF UNIX and Linux. An open-source policy is being implemented with regard to distribution. | |
| Trinc-Prolog, an object oriented prolog for Windows: Trinc-Prolog is a new development tool for the prolog language. Trinc-Prolog supports the ISO Prolog standard and has extended the prolog language with innovative object oriented features. TPWIN,an OO class library is available to develop Windows applications. | |
| Visual Prolog: A full-featured programming environment is offered with all the facilities necessary to write mission-critical, commercial-grade applications. A freeware version is available. |
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