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simdjson

Organization

Public GitHub footprint of simdjson

@simdjson
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Parsing gigabytes of JSON per second

23

Public repositories

24,404

Total stars

136

Followers

The GitHub presence of simdjson showcases a commitment to high-performance JSON parsing, utilizing languages such as C++, Java, and Python. Notable repositories include simdjson, an efficient parser widely used by major tech companies, and simdjson-java, which extends its capabilities to Java environments. The organization maintains a diverse array of projects that facilitate JSON processing and experimentation.

Top languages

C++ 7CMake 4HTML 2Dockerfile 2Java 1Python 1Ruby 1Assembly 1

Public repositories

simdjson

23,836

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
Updated Jun 13, 2026

simdjson-java

425

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

Java
Updated Jun 1, 2026

experimental_json_builder

59

Experimental JSON builder based on C++ reflection

C++
Updated Jun 1, 2026

simdjson_experiments_vldb2019

20

Detailed experiments over simdjson for VLDB article (2019) and future work

Python
Updated Mar 5, 2026

iossimdjson

17

ios app to benchmark simdjson

C++
Updated Oct 27, 2024

cmakedemo

12

Simple example on how to use simdjson with CMake using a git submodule

C++
Updated Sep 2, 2025

simdjson-data

6

No description provided for this repository.

Ruby
Updated Feb 3, 2026

randomjson

5

No description provided for this repository.

C++
Updated Sep 24, 2021

simdjson_talks

4

simdjson talks

HTML
Updated Sep 19, 2025

simdjson_logo

4

official simdjson logo

Unknown Language
Updated Oct 19, 2020

fuzzyjson

4

No description provided for this repository.

C++
Updated Oct 9, 2020

cmake_demo_single_file

3

Really simple CMake demo

CMake
Updated Jul 24, 2023

simdjson_website

2

No description provided for this repository.

HTML
Updated May 30, 2026

simdjson_cpm

2

Simple demo of simdjson as a CMake dependency using CPM

CMake
Updated Sep 8, 2024

simdjson-vcpkg

1

No description provided for this repository.

CMake
Updated Mar 15, 2026

curltostring

1

simple header-only library to recover a padded string from a URL

C++
Updated Feb 28, 2026

ci-docker-images

1

Dockerfiles for the custom images used in the CI pipeline of simdjson

Dockerfile
Updated Sep 7, 2023

cmakedemo_externalproject

1

Simple demo of simdjson as a CMake dependency using ExternalProject_Add

CMake
Updated Oct 6, 2021

asmdump

1

No description provided for this repository.

Assembly
Updated May 16, 2020

simdjson-web-benchmark

0

No description provided for this repository.

Dockerfile
Updated Mar 1, 2022

debian-ppa

0

Personal Package Archive repository for software used in the simdjson organization

Shell
Updated Oct 29, 2021

json_benchmark_results

0

Extensive benchmark results (and graphing thereof) for many JSON parsers

Jupyter Notebook
Updated Mar 21, 2021

parse_stream_competition

0

A small project to benchmark different json parser speeds in streaming mode.

Unknown Language
Updated Aug 8, 2020

Frequently asked questions

What does simdjson build on GitHub?

simdjson builds a variety of repositories focused on JSON parsing and processing. Key projects include simdjson for C++, simdjson-java for Java, and experimental_json_builder, showcasing their efforts in optimizing JSON handling across different programming environments.

Which programming languages does simdjson use?

simdjson primarily uses C++, Java, and Python, among others. This diverse language portfolio allows the organization to cater to various development needs and optimize performance across different platforms, including support for SIMD instructions.

Are simdjson's repositories public?

Yes, all of simdjson's repositories are public on GitHub. This transparency allows developers to access, contribute to, and utilize their projects, fostering collaboration and innovation within the JSON parsing community.

Is this exposure intended?

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