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
#2typicode/json-server
Get a full fake REST API with zero coding in less than 30 seconds (seriously)
#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.
#4prettier/prettier
Prettier is an opinionated code formatter.
#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。
#6nlohmann/json
JSON for Modern C++
#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
#8AykutSarac/jsoncrack.com
✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.
#9fastapi/full-stack-fastapi-template
Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.
#10httpie/cli
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
#11SheetJS/sheetjs
📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs
#12codex-team/editor.js
A block-style editor with clean JSON output
#13chinabugotech/hutool
🍬A set of tools that keep Java sweet.
#14opendataloader-project/opendataloader-pdf
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
#15baidu/amis
前端低代码框架，通过 JSON 配置就能生成各种页面。
#16fastapi/sqlmodel
SQL databases in Python, designed for simplicity, compatibility, and robustness.
#17pinojs/pino
🌲 super fast, all natural json logger
#18influxdata/telegraf
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
#19sindresorhus/ky
🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API
#20rjsf-team/react-jsonschema-form
A React component for building Web forms from JSON Schema.
#21tidwall/gjson
Get JSON values quickly - JSON parser for Go
#22mikefarah/yq
yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor
#23FujiwaraChoki/MoneyPrinterV2
Automate the process of making money online.
#24astrit/css.gg
700+ Pure CSS, SVG & Figma UI Icons, 6000+ glyphs, patterns, colors and layouts.
#25johnkerl/miller
Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON
#26reactiveui/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.
#27pocoproject/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.
#28bytedance/sonic
A blazingly fast JSON serializing & deserializing library
#29httpie/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
#30testssl/testssl.sh
Testing TLS/SSL encryption anywhere on any port
#31saulpw/visidata
A terminal spreadsheet multitool for discovering and arranging data
#32kellyjonbrazil/jc
CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.
#33python-jsonschema/jsonschema
An implementation of the JSON Schema specification for Python
#34json-schema-org/json-schema-spec
The JSON Schema specification
#35json-editor/json-editor
JSON Schema Based Editor
#36mailru/easyjson
Fast JSON serializer for golang.
#37neomjs/neo
Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and self-healing loops.
#38pamburus/hl
A fast and powerful log viewer and processor that converts JSON logs or logfmt logs into a clear human-readable format.
#39neilotoole/sq
sq data wrangler
#40RobinTail/express-zod-api
A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.
#41nao1215/filesql
sql driver for CSV, TSV, LTSV, JSON, Parquet, Excel with gzip, bzip2, xz, zstd support.
#42anderlli0053/DEV-tools
📦 A versatile Scoop bucket that evolved from development tools into a comprehensive software sanctuary. Originally focused on DEV tools for applications and games, now expanded to include utilities, applications, and everyday software. Automated via GitHub CI/CD for reliable package management.
#43nao1215/sqly
executes SQL against CSV, TSV, LTSV, JSON, JSONL, Parquet, Microsoft Excel™ , ACH, and Fedwire files with shell.
#44HerrErde/SubwayBooster
Because playing games without money is more fun