C library for parsing XML 1.0 documents.

Fast HTTP parser library written in TypeScript and compiled to C, a modernized port of http_parser.

C++ library for parsing and rendering PDF documents with support for text extraction and annotation handling.

Compiler and runtime library for Protocol Buffers, Google's language-neutral serialization format.

WHATWG-compliant URL parser library written in modern C++ with high performance across platforms.

C++ lexer for extracting named exports from CommonJS modules via static analysis without code execution.

C shared library for regular expressions with multi-encoding support (ASCII, UTF-8, EUC, Shift_JIS, ISO-8859, etc.).

C library for parsing and generating ASN.1 data structures.

C library for parsing and emitting YAML data structures.

C library for X.509 certificate and CMS message parsing and validation.

C library for parsing and manipulating XML documents with XPath and XSLT support.

Universal document converter between Markdown, LaTeX, HTML, DOCX, EPUB, and 30+ markup formats.

Graph visualization software that renders structured diagrams from plain-text graph descriptions (DOT language).

Rust CLI tool for generating and validating command-line interfaces from usage specifications.

Incremental parsing library that builds syntax trees for code in C with language bindings.

Swift CLI tool that parses Xcode's SLF xcactivitylog format to generate build analysis reports.

Multi-architecture disassembly framework and shared library for binary analysis.

Pure-Python C language parser, commonly used by cffi and code analysis tools.

Parse binary .xcresult bundles from Xcode builds and tests, outputting results in txt, XML, JUnit, Cobertura, HTML, Markdown, and other formats.

C Markdown parser with CommonMark compliance, SAX-like callback interface, and high performance.

C/C++ binding generator that creates scripting language interfaces (Python, Ruby, Perl, etc.) from C/C++ code.

C library and command-line decoder for JBIG2 bi-level image compression (ITU T.88/ISO 14492).

Rust-based structural code search, lint, and rewrite tool supporting 10+ languages via AST matching.

Collection of Wayland protocol XML specifications and documentation for extending the Wayland display server.

Swift framework and command-line tool for parsing Swift AST, extracting docs, and querying SourceKit metadata.

C library for parsing and generating CBOR (Concise Binary Object Representation) binary data format per RFC 8949.

GNU parser generator that converts grammar definitions into C/C++/Java parsers.

Parsing Expression Grammars library for Lua, enabling pattern matching and parsing via PEG syntax.

C library and command-line tool for validating, parsing, and pretty-printing HTML and XML.

Generate documentation from Terraform module code in multiple output formats (Markdown, JSON, YAML, etc.).

C++ library for parsing and handling command-line flags with minimal boilerplate.

C++ documentation generator that parses source code and produces HTML, PDF, and other formats from embedded comments.

C library for parsing command-line options with support for aliases, reentrancy, and arbitrary argv[] arrays.

Swift code generator that parses source files and generates boilerplate code using Stencil templates.

C library for parsing and serializing JSON data with reference-counted object model.

Header-only C++ library for parsing command-line arguments with support for flags, options, and positional arguments.

C library implementing XSLT 1.0 for XML transformation, used by system tools and build dependencies.

Qt library for creating state machines from SCXML (State Chart XML) files.

Ultralightweight JSON parser library in ANSI C with minimal dependencies.

Python documentation generator that transforms reStructuredText into HTML, PDF, and other formats.

Java tool that generates UML diagrams from plain-text descriptions.

Qt implementation of the Language Server Protocol and JSON-RPC for editor integration.

Command-line parser generator that creates fast, incremental parsers from grammar rules written in JavaScript.

C library and code generator for Protocol Buffers data serialization format.

Command-line toolchain for linting, generating, and managing Protocol Buffers and gRPC schemas.

Go-based formatter and parser for POSIX shell, Bash, Zsh, and mksh scripts.

Light-weight header-only C++ XML parsing and processing library with XPath support.

C/C++ library for parsing and handling URIs in strict compliance with RFC 3986.

Command-line XML parser and transformer supporting XPath, XSLT, and XML validation.

Apache Thrift is a compiler and runtime library for building cross-language RPC services from a language-neutral IDL.

Rust compiler front-end and language server (LSP) for IDE integration and code analysis.

C++ library for parsing, validating, and serializing XML documents.

XML markup language and toolchain for authoring technical documentation, books, and reference materials.

GNU documentation system and parser for creating manuals in multiple formats from a single source.

C++ XML parser library with low memory footprint and minimal dependencies.

Python text processing system for parsing and converting reStructuredText (reST) markup to HTML, LaTeX, and other formats.

C library and CLI tools for reading DICOM whole-slide medical imaging files with minimal dependencies.

C library for parsing and generating Apple binary and XML property list formats.

C/C++ header files and JSON grammar for the SPIR-V intermediate representation standard.

C99 shared library for parsing and manipulating HTML5 documents.