Json

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

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

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.

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

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

Get your documents ready for gen AI

Prettier is an opinionated code formatter.

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。

JSON for Modern C++

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

Convert PDF to markdown + JSON quickly with high accuracy

Command-line JSON processor

A block-style editor with clean JSON output

A syntax-highlighting pager for git, diff, grep, rg --json, and blame output

Automate the process of making money online.

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

🍬A set of tools that keep Java sweet.

Agent skills for Obsidian. Teach your agent to use Markdown, Bases, JSON Canvas, and use the CLI.

Data validation using Python type hints

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

FlatBuffers: Memory Efficient Serialization Library

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

🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.

Redisson: Valkey & Redis Java Client and 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..

A Java serialization/deserialization library to convert Java Objects into JSON and back

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

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

Declarative Continuous Deployment for Kubernetes

The better way to deal with JSON data in Swift.

Simple and fast JSON database

The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . New English strings for new features at imports/i18n/data/en.i18n.json . Non-English translations at https://app.transifex.com/wekan/wekan only.

Community plugins list, theme list, and releases of Obsidian.

Terminal JSON viewer & processor

gRPC to JSON proxy generator following the gRPC HTTP spec

前端低代码框架，通过 JSON 配置就能生成各种页面。

🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构

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

JsonWebToken implementation for node.js http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html

🌲 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

📊 An infographics generator with 30+ plugins and 300+ options to display stats about your GitHub account and render them as SVG, Markdown, PDF or JSON!

A React component for building Web forms from JSON Schema.

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

Structured Outputs

Get JSON values quickly - JSON parser for Go

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.