Iglu is a machine-readable, open-source schema repository for JSON Schema from the team at Snowplow

JSON Schema validator

Native C++ validator built on simdjson and RE2. Hybrid JS codegen with V8 TurboFan optimizations. Up to 94x faster on $dynamicRef, 5.3x on normal schemas, 2,729x faster compilation. Full $dynamicRe…

mimalloc is a compact general purpose allocator with excellent performance.

Heavily optimized library for DEFLATE/zlib/gzip compression and decompression

Sandbox your local AI agents so they can read/write only what they need

Building semantic versioning into Strands

Generate PHP classes from JSON schemas

lighttpd2 on github for easier collaboration - main repo still on lighttpd.net

A markup-based typesetting system that is powerful and easy to learn.

Vendor-neutral, machine-readable formats for structured decision documentation and organizational context

Process Compose is a simple and flexible scheduler and orchestrator to manage non-containerized applications.

OASIS CSAF TC: Supporting version control for Work Product artifacts developed by members of TC, including prose specifications and secondary artifacts like meeting minutes and productivity code

Decimal Floating Point decNumber C Library by IBM Fellow Mike Cowlishaw

JSON query and transformation language

OpenAPI 3.0 (and Swagger v2) implementation for Go (parsing, converting, validation, and more)

Python data model generator (Pydantic, dataclasses, TypedDict, msgspec) from OpenAPI, JSON Schema, GraphQL, and raw data (JSON/YAML/CSV).

Fast JSON schema validator for Python.

A code generator to output type definitions from JSON Schema in a growing amount of programming languages

Schema validation/completions for your JSON and Sublime files

Escape version skew

JSONSchema (draft 2020-12, draft 2019-09, draft-7, draft-6, draft-4) Validation using Go

An open standard for JSON test reporting

Config files for my GitHub profile.

API Days 2025 - JSON Schema conference - Demos

A growing collection of vocabulary extensions to JSON Schema. This repository provides standardised vocabulary definitions and meta-schemas for common use cases not covered by the core JSON Schema …

Repository delle risorse semantiche nazionali italiane

Repository for the resources like ontologies for WoT specifications