Browse free open source Parser Generators and projects below. Use the toggles on the left to filter open source Parser Generators by OS, license, language, programming language, and project status.

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  • 1
    Developer tools for EXPRESS (ISO 10303-11), an information modeling language. The core of this project is a Java Express parser using the ANTLR parser generator. This project was initiated by the National Institute of Standards and Technology.
    Downloads: 3 This Week
    Last Update:
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  • 2
    More Than Parsing is a parser generator for context free grammars defined in a BNF-like format. It generates scanners, parsers, ASTs, etc. This sf project is no longer active, development will continue in a different place.
    Downloads: 2 This Week
    Last Update:
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  • 3
    JCompiler

    JCompiler

    Mini Python Compiler written in Java

    Open source mini Python compiler written in Java using Sablecc as parser generator.
    Downloads: 1 This Week
    Last Update:
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  • 4
    Tools to simplify parsing and processing XML using the ANTLR parser generator.
    Downloads: 0 This Week
    Last Update:
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  • 5
    Covra is a project to help design compilers. C3 is a tool specialized on the easy design and construction of ASTs, it is independent of the compiler compilers or parser generator that is used. It generates Java and C# code. Require JRE 1.6.0.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Lemonade 0.01 An Lalr Parser Generator for "D" (www.digitalmars.com) Based on Lemon 1.0 Ref: http://www.hwaci.com/sw/lemon/
    Downloads: 0 This Week
    Last Update:
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  • 7
    ParGeL is an LALR(k) parser generator, which allows creation of inheritable parsers in runtime and compile time environments. ParGeL is written 100% in Java.
    Downloads: 0 This Week
    Last Update:
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  • 8
    A collection of tools for the SETL Programming Language, including a LALR parser generator and lexical scanner generator.
    Downloads: 0 This Week
    Last Update:
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  • 9
    A portable and retargetable lexer/parser generator.
    Downloads: 0 This Week
    Last Update:
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  • 10
    A backtracking (non-packrat) parser generator for parsing expression grammars. The parsers are generated at run-time using the LLVM JIT compilation engine.
    Downloads: 0 This Week
    Last Update:
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  • 11
    jsBison is a parser generator which can read bison style grammar definitions and generates according parsers written solely in javascript. Therefore, using jsBison it is easily possible to perform "real" parsing on websites on the client side.
    Downloads: 0 This Week
    Last Update:
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  • 12

    json_library

    Another C++ based JSON Library (/w Parser/Generator/Navigator)

    Native C++ implementation of a JSON library. Contains a Parser, a Generator and and easy-to-use Navigator in one single class. To build you will need at least a C++11 capable compiler such as MSVC 10 (express edition). There is no other 3rd party library required to compile or run it.
    Downloads: 0 This Week
    Last Update:
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  • 13
    loon is a GLR parser generator that takes EBNF grammars as specifications. Tokens are specified in the grammar file, and it generates a parse tree instead of executing actions. A single grammar can output a parser in any supported language.