#json

📐 Validating data structures against a given Schema.

The most used, flexible, fast and streaming parser for multipart form data. Supports uploading to serverless environments, AWS S3, Azure, GCP or the filesystem. Used in production.

A utility library handling (de)serialization and other useful JSON functions

GitHub Action to set multiple environment variables and workflow outputs with transformations

The Standard Webhooks specification

Pure-Go implementation of JSONata 2.x for high-throughput streaming evaluation

schemaui turns JSON Schema documents into fully interactive terminal UIs powered by ratatui, crossterm, and jsonschema. The library parses rich schemas (nested sections, $ref, arrays, key/value maps, pattern properties…) into a navigable form tree, renders it as a keyboard-first editor, and validates the result after every edit

Rapid YAML - a library to parse and emit YAML, and do it fast.

🍬A set of tools that keep Java sweet.

High-performance CBOR (RFC 8949) serialization framework for .Net (C#)

Easily output ASCII tree from Go program or Markdown unordered list . There's also CLI tool that can output tree from JSON, YAML, or TOML! It's called *xtree*.

Converting Can (Controller Area Network) Database Formats .arxml .dbc .dbf .kcd ...

Python bindings and utilities for GeoJSON

Decompose Salesforce metadata into granular, VCS-friendly files; recompose for deployment.

Entity Framework Core provider for MySQL and MariaDB built on top of MySqlConnector

Smart git diff context for LLMs and AI agents — selects the minimal code fragments needed to understand a change, under a token budget. Deterministic, local, MCP server included. Also exports a full codebase to YAML/JSON/MD.

Support files exposing JSON from the JSON Schema specifications to Python

Simple, elegant, wizarding tools for interacting with Python's dataclasses.

Library for (de-)serializing data of any complexity (supports JSON, and XML)

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

Smithy code generators and core modules for Python (in development)

A fast, lightweight JSON (de)serializer for Azure Cosmos DB

Zelos database abstractions

A pure-Python implementation of RFC8785 (JSON Canonicalization Scheme)

TreeFrog Framework : High-speed C++ MVC Framework for Web Application