Golang port of simdjson: parsing gigabytes of JSON per second

Python bindings for the simdjson project.

A Java version of simdjson, a high-performance JSON parser utilizing SIMD instructions

Very fast Python JSON parsing library

Native C++ validator built on simdjson and RE2. Hybrid JS codegen with V8 TurboFan optimizations. Up to 94x faster on $dynamicRef, 5.3x on normal schemas, 2,729x faster compilation. Full $dynamicRef/$anchor support, Draft 2020-12 + Draft 7 compatible

simdjson_php bindings for the simdjson project. https://github.com/lemire/simdjson

Parsing gigabytes of JSON per second. Zig port of simdjson with fundamental features.

Rcpp Bindings for the 'simdjson' Header Library

Rust bindings for the simdjson project.

A Haskell library for fast, memory-efficient decoding of JSON documents using the simdjson C++ library

C++ Binance Futures SDK.

OpenWeatherMap api client in C++

An alternative `JSON` parser for Node.js that does not block the event loop

O(n) streaming JSON parser for LLM tool calls. Agents act sooner, abort bad outputs early. WASM SIMD, up to 2000× faster than stock AI SDK parsers.

experimental parallel json parser, scj3 (claujson)

Lightweight, ultra fast JSON parser/generator for C++ with intuitive API

Schema-aware pysimdjson loader for efficient parsing of large excessive inputs

DROGON CPP FOR THE WIN! 💪🏼💪🏼 Rinha de Backend 2026

Jay is a thin wrapper for json & simdjson, allowing the fastest available json decoder to be used in a transparent way.