A fast JSON library for Go

In plain words

A fast JSON library for Go provides high-performance JSON parsing and encoding capabilities for Go developers. It is designed for programmers who need efficient JSON processing in their applications. The library stands out for its speed optimization, offering faster JSON operations compared to standard Go packages.

written from the facts on this page · September 2026

• 
  Gojay – Performant JSON encoder/decoder for Golang2018 · github.com · ▲153

  high performance JSON encoder/decoder with stream API for Golang - GitHub - francoispqt/gojay: high performance JSON encoder/decoder with stream API for Golang

• 
  fastjson - Fast JSON Parsing for Go2018 · github.com · ▲20

  Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection - valyala/fastjson

• 
  Gojay – highly performant JSON encoder/decoder for Golang2018 · github.com · ▲11

  high performance JSON encoder/decoder with stream API for Golang - GitHub - francoispqt/gojay: high performance JSON encoder/decoder with stream API for Golang

• 
  ffjson: faster json serialization in Go2014 · journal.paul.querna.org · ▲83
• 
  Jason – A new JSON Library for Go2014 · github.com · ▲106

  Easy-to-use JSON Library for Go. Contribute to antonholmquist/jason development by creating an account on GitHub.

• 
  Python JSON library in Rust, faster than ujson2018 · github.com · ▲40

  Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy - ijl/orjson

• 
  SimCity, but with Permits▲855

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 19h ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• RS
  Redbean – Single-file distributable web server▲1,998

  Life & fun · 2021 · justine.lol

• 
  Can’t afford Bloomberg Terminal? No prob, I built the next best thing▲1,422

  Contribute to DidierRLopes/GamestonkTerminal development by creating an account on GitHub.

  Dev tools · 2021 · github.com

• 
  Ray.so▲1,064

  Create beautiful images of your code

  Dev tools · 2021 · ray.so

• 
  June 1.0▲851

  Instant analytics reports built on top of Segment

  Growth · 2021 · june.so

• 
  Contra▲798

  Connect with next-gen talent and tools to get work underway. Hire more independents. Start more projects. Get more creative.

  Commerce · 2021 · contra.com

• 
  Deep Nostalgia™▲762

  Animate your family photos

  AI · 2021 · myheritage.com