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Build a JSON Parser in Rust from Scratch

Gecko: a fast GLR parser with automatic syntax error recovery

Flag parser for CLI programs

I built a symbolic differentiation engine in Rust with a handwritten parser — no dependencies

WfmOxide - a zero-copy parser for proprietary oscilloscope binary files

Yuku: a spec-compliant JavaScript parser written in Zig, 3–5x faster than alternatives on Node.js

Yet another mp4 parser (& serializer)

Exlex — A zero-copy, DOD config parser with an Arena mutator (Built after 8 days of learning Rust)

I built a JSON5 / json parser for Go and TinyGo, drop-in familiar API, no reflection

LilyPond Parser/Lexer

Let's see Paul Allen's SIMD CSV parser

How I accidentally made the fastest C# CSV parser

JavaScript's date parser is out of control and needs to be stopped

We rewrote our Rust WASM parser in TypeScript and it got faster

Gren 26.03: Parser improvements

Your First Parser

Building a strict RFC 8259 JSON parser: what most parsers silently accept and why it matters for deterministic systems

AstroBurst v0.3 is coming - first non-Python ASDF parser, FFT Richardson-Lucy deconvolution, wavelet denoising, all in Rust

I hate making parsers

Build Email Address Parser (RFC 5322) with Parser Combinator, Not Regex.

tree-sitter-language-pack v1.0.0 -- 170+ tree-sitter parsers for Go

Envo - A `.env` parser for Zig ⚡️

I benchmarked every Go SQL parser in 2026: pg_query_go, xwb1989, TiDB, Vitess - and built my own

`derive_parser` – Automatically derive a parser from your syntax tree

Show HN: Svglib a SVG parser and renderer for Windows

asmjson - a Rust JSON parser for AVX512BW

LaTeX Parser in Native Rust

Exploring Grammar Elasticity in CPython: Implementing a Concurrent Bilingual PEG Parser

tree-sitter-language-pack v1.0.0 -- 170+ tree-sitter parsers for Rust

tree-sitter-language-pack v1.0.0 -- 170+ tree-sitter parsers for Java

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