back to home

Best Open Source json Libraries

A curated list of the most popular GitHub repositories tagged with json. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1fastapi/fastapi

FastAPI framework, high performance, easy to learn, fast to code, ready for production

95,415Python
Analyze Code

#2typicode/json-server

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

75,642JavaScript
Analyze Code

#3redis/redis

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

73,100C
Analyze Code

#4prettier/prettier

Prettier is an opinionated code formatter.

51,676JavaScript
Analyze Code

#5chinese-poetry/chinese-poetry

The most comprehensive database of Chinese poetry 🧶最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。

50,963JavaScript
Analyze Code

#6nlohmann/json

JSON for Modern C++

48,936C++
Analyze Code

#7Asabeneh/30-Days-Of-JavaScript

30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

46,100JavaScript
Analyze Code

#8AykutSarac/jsoncrack.com

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

43,349TypeScript
Analyze Code

#9fastapi/full-stack-fastapi-template

Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.

41,648TypeScript
Analyze Code

#10httpie/cli

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

37,581Python
Analyze Code

#11SheetJS/sheetjs

📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs

36,192
Analyze Code

#12codex-team/editor.js

A block-style editor with clean JSON output

31,528TypeScript
Analyze Code

#13chinabugotech/hutool

🍬A set of tools that keep Java sweet.

30,343Java
Analyze Code

#14alibaba/fastjson

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

25,721Java
Analyze Code

#15redisson/redisson

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

24,254Java
Analyze Code

#16urfave/cli

A declarative, simple, fast, and fun package for building command line tools in Go

23,896Go
Analyze Code

#17biomejs/biome

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

23,763Rust
Analyze Code

#18simdjson/simdjson

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

23,314C++
Analyze Code

#19SwiftyJSON/SwiftyJSON

The better way to deal with JSON data in Swift.

22,986Swift
Analyze Code

#20typicode/lowdb

Simple and fast JSON database

22,469JavaScript
Analyze Code

#21paularmstrong/normalizr

Normalizes nested JSON according to a schema

20,880JavaScript
Analyze Code

#22modood/Administrative-divisions-of-China

中华人民共和国行政区划：省级（省份）、 地级（城市）、 县级（区县）、 乡级（乡镇街道）、 村级（村委会居委会） ，中国省市区镇村二级三级四级五级联动地址数据。

20,568JavaScript
Analyze Code

#23antonmedv/fx

Terminal JSON viewer & processor

20,283Go
Analyze Code

#24baidu/amis

前端低代码框架，通过 JSON 配置就能生成各种页面。

18,826TypeScript
Analyze Code

#25fastapi/sqlmodel

SQL databases in Python, designed for simplicity, compatibility, and robustness.

17,655Python
Analyze Code

#26mikefarah/yq

yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor

14,916Go
Analyze Code

#27tomnomnom/gron

Make JSON greppable!

14,372Go
Analyze Code

#28json-iterator/go

A high-performance 100% compatible drop-in replacement of "encoding/json"

13,931Go
Analyze Code

#29glideapps/quicktype

Generate types and converters from JSON, Schema, and GraphQL

13,633TypeScript
Analyze Code

#30postmanlabs/httpbin

HTTP Request & Response Service, written in Python + Flask.

13,503Python
Analyze Code

#31dottxt-ai/outlines

Structured Outputs

13,443Python
Analyze Code

#32FujiwaraChoki/MoneyPrinterV2

Automate the process of making money online.

12,996Python
Analyze Code

#33rs/zerolog

Zero Allocation JSON Logger

12,219Go
Analyze Code

#34astrit/css.gg

700+ Pure CSS, SVG & Figma UI Icons, 6000+ glyphs, patterns, colors and layouts.

9,968JavaScript
Analyze Code

#35johnkerl/miller

Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON

9,747Go
Analyze Code

#36reactiveui/refit

The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.

9,397C#
Analyze Code

#37pocoproject/poco

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

9,362C++
Analyze Code

#38bytedance/sonic

A blazingly fast JSON serializing & deserializing library

9,203Go
Analyze Code

#39httpie/http-prompt

An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie

9,107Python
Analyze Code

#40testssl/testssl.sh

Testing TLS/SSL encryption anywhere on any port

8,912Shell
Analyze Code

#41saulpw/visidata

A terminal spreadsheet multitool for discovering and arranging data

8,836Python
Analyze Code

#42mahmoud/boltons

🔩 Like builtins, but boltons. 250+ constructs, recipes, and snippets which extend (and rely on nothing but) the Python standard library. Nothing like Michael Bolton.

6,851Python
Analyze Code

#43dyweb/awesome-resume-for-chinese

:page_facing_up: 适合中文的简历模板收集（LaTeX，HTML/JS and so on）由 @hoochanlon 维护

6,827
Analyze Code

#44NLog/NLog

NLog - Flexible and Structured Logging for various .NET Platforms

6,537C#
Analyze Code