npm87Excellenthealth index
sourcemeta/jsonschemaThe CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
Shell · C++★ 288↓ 149.5K/moJul 19, 2026
npm87Excellenthealth index

withcatai/node-llama-cppRun AI models locally on your machine with node.js bindings for llama.cpp. Enforce a JSON schema on the model output on the generation level
TypeScript★ 2,162↓ 3.6M/moAug 27, 2026
PyPI86Excellenthealth index
Python★ 935↓ 37M/moAug 27, 2026
PyPI86Excellenthealth index
Python★ 79↓ 1,229/moJul 26, 2026
npm · Go84Excellenthealth index
daveshanley/vacuumvacuum is the worlds fastest and most versatile OpenAPI, AsyncAPI & JSON Schema linter, docs generator and toolkit. It tears through API specs at light speed. 100% compatible with Spectral rulesets, and OpenAPI 3.0, 3.1 and 3.2
Go★ 1,103↓ 169.8K/moJul 19, 2026
PyPI84Excellenthealth index
Python★ 53Jul 16, 2026
npm84Excellenthealth index
zio/zio-blocksPowerful, joyful building blocks for modern cloud-native applications.
Scala★ 137↓ 12.7K/moJul 15, 2026
npm83Excellenthealth index
ajv-validator/ajvThe fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
TypeScript★ 14.8K↓ 1.4B/moAug 4, 2026
NuGet · npm83Excellenthealth index
C#★ 197Aug 26, 2026
Packagist · PyPI83Excellenthealth index

janephp/janephp:seedling: Jane is a set of libraries to generate Models & API Clients based on JSON Schema / OpenAPI specs
PHP★ 688↓ 7,978/moAug 17, 2026
npm81Excellenthealth index
JavaScript★ 350↓ 46.6K/moJul 18, 2026
npm81Excellenthealth index
ata-core/ata-validatorJSON Schema validation with first-class TypeScript. AOT-compile schemas to dependency-free ESM modules or validate at runtime, with type inference from your schemas. Pure JS by default, optional native accelerator. Draft 2020-12 + Draft 7, full $dynamicRef/$anchor, standard error format.
JavaScript · C++★ 346↓ 2,968/moJul 24, 2026
npm · Go81Excellenthealth index

mitre/hdf-libsHeimdall Data Format (HDF) is a standardized JSON schema for representing security assessment baselines and results across diverse tools and platforms.
Go · TypeScript★ 3↓ 6,373/moSep 5, 2026
crates.io · RubyGems80Excellenthealth index
Rust★ 1,396↓ 61.8M/moAug 4, 2026
crates.io80Excellenthealth index

YuniqueUnic/schemauischemaui 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
Rust · TypeScript★ 88↓ 22.4K/moAug 22, 2026
PyPI80Excellenthealth index
Python★ 13Aug 4, 2026
npm80Excellenthealth index
TypeScript · Svelte★ 167↓ 42K/moAug 6, 2026
JavaScript★ 9Jul 20, 2026
TypeScript · JavaScript★ 331↓ 1.9M/moAug 27, 2026
Craig-Horton/ai-bvfOpen protocol for scoring AI investments. JSON Schema, scoring engine, MCP server. Spec under CC-BY-4.0.
HTML · TypeScript · JavaScript★ 0↓ 5,230/moJul 31, 2026
TypeScript · JavaScript★ 1↓ 3,796/moJul 17, 2026
TypeScript · JavaScript★ 1↓ 2,293/moAug 29, 2026
crates.io77Goodhealth index
Rust★ 13↓ 101.3K/moJul 17, 2026
JavaScript★ 357↓ 5,091/moJul 31, 2026
Packagist · npm77Goodhealth index

sunchayn/nimbusNimbus automatically analyzes your routes and validation rules to build interactive request schemas and a native interface for testing and exploring your APIs
PHP · TypeScript · Vue★ 345↓ 7,016/moSep 5, 2026
IvanMurzak/ReflectorNetAdvanced .NET reflection toolkit for AI-driven scenarios. Dynamically invoke methods with JSON, generate schemas, and serialize complex objects with type preservation. Perfect for automation, testing, and AI integration.
C#★ 16Jul 27, 2026
Scala★ 67Aug 22, 2026
germanbisurgi/jedisonA JavaScript Library that generates forms from JSON Schemas, to editing and validate JSON.
JavaScript · Vue★ 78↓ 3,047/moJul 16, 2026
itsjayoncode/jocModern TypeScript libraries for building scalable web applications.
TypeScript · CSS★ 1↓ 6,105/moAug 3, 2026
npm · PyPI75Goodhealth index
Python · Jupyter Notebook★ 311↓ 140/moJul 17, 2026