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

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。

Prettier is an opinionated code formatter.

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

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

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

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

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

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

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

1,324-exercise fitness dataset — animation GIFs, 180×180 thumbnails, muscle-group & equipment data, and step-by-step instructions in 6 languages. The exercise data layer behind the LogPress app.

The better way to deal with JSON data in Swift.

前端低代码框架，通过 JSON 配置就能生成各种页面。

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

🌲 super fast, all natural json logger

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API

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

Structured Outputs

A React component for building Web forms from JSON Schema.

Get JSON values quickly - JSON parser for Go

The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient implementation, with support for HttpClientFactory, pluggable serializers and a testing package.

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.

A terminal spreadsheet multitool for discovering and arranging data

Testing TLS/SSL encryption anywhere on any port

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

The AI-native JSON Gantt chart engine. Dependency-free interactive timelines with React, script-tag, CLI, topological DAG solver, and formal JSON schema.

Script that organizes the Google Takeout archive into one big chronological folder

Super-fast/easy runtime validators and serializers via transformation

Kotlin multiplatform / multi-format serialization

HCL is the HashiCorp configuration language.

Browser compatibility data for Web technologies as displayed on MDN

Headless CMS with automatic JSON API. Featuring auto-HTTPS from Let's Encrypt, HTTP/2 Server Push, and flexible server framework written in Go.

😍FeHelper--Web前端助手（Awesome！Chrome & Firefox & MS-Edge Extension, All in one Toolbox!）

Strongly typed JSON library for Rust

THE fastest alternative JSON parser for Go that does not require schema

An implementation of the JSON Schema specification for Python

Open-source JavaScript form library for React, Angular, Vue, and plain JavaScript. Render dynamic JSON-driven forms, multi-step form wizards, surveys, quizzes, and other data-entry tools.

Manipulate JSON-like data with NumPy-like idioms.

A community driven API for Helldivers 2