#parsing

A pure Rust Excel/OpenDocument SpreadSheets file reader: rust on metal sheets

A no_std-friendly ELF loader and runtime linker for Rust

Comprehensive tree-sitter grammar compilation with polyglot bindings — Rust, Python, Node.js, Go, Java, Ruby, Elixir, PHP, C#, WASM, Dart, Kotlin-Android, Swift, Zig, and CLI. 371 languages.

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A library set of arbitrary precision numbers implemented in Rust.

A library for parsing and validating DTDL ontologies.

F# grammar for treesitter

Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.

A Rust library that turns Markdown into WCAG-compliant, SEO-friendly HTML — front matter, TOC, JSON-LD, MathML, Mermaid, and minification in one pipeline. Runs natively or as WebAssembly.

Resolving Swagger/OpenAPI 2.0 and 3.0 Parser

🦀 High-performance HTML parsing library. Rust core with native bindings for Python, Node.js & WASM. SIMD-accelerated, memory-safe, consistent API everywhere.

a drop-in replacement fork of the original bincode crate: "A binary serialization / deserialization strategy for transforming structs into bytes and vice versa!"

JSON support for DataFusion (unofficial)

LR(1) parser generator for Rust

MDN's macro grammar for tree-sitter

Python library for creating PEG parsers

Rust serialize/deserialize/access reflection for trees (no_std, no alloc)

Knowledge Agents and Management in the Cloud

Type definitions, parsing, and analysis for the minidump file format.

An SDK for verifiable intent, inline with code: one-line claims above your functions, verified at the rigor you choose and flagged when they drift. Agent-first, MIT.

An extensible framework to automate your entire newsletter workflow. Handles data collection, LLM-based content analysis, and email generation, letting you focus on your unique domain logic.

Pure Rust pkl configuration language parser and evaluator

Command line parsing and utilities for .NET

Typed, audited, zero-allocation-bound frontmatter parser for Rust — YAML/TOML/JSON extraction, SEO meta tag emission, supply-chain attested (cargo-vet, SBOM, RUSTSEC). WASI-bound roadmap.

A tool to parse recipe ingredients into structured data

Code smell detector for Ruby

Python Jsonata implementation with Rust backend also available as standalone Rust library

Parser Building Toolkit for JavaScript

Tree-sitter grammar for Apache Groovy

A crate to convert bytes to something more useable and the other way around in a way Compatible with the Confluent Schema Registry. Supporting Avro, Protobuf, Json schema, and both async and blocking.