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Top JSON-SCHEMA GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #json-schema.

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5 matching projects · updated Sep 29, 2026 How we rank ↗

#1 TRENDING fastapi/fastapi Python 2018

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

◇ api ◇ async ◇ asyncio ◇ fastapi

10K ↑ +15 today

#2 TRENDING stephenberry/glaze C++ 2022

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

◇ api ◇ beve ◇ binary ◇ bson

276 ↑ +3 today

#3 TRENDING samchon/typia TypeScript 2022

Super-fast/easy runtime validators and serializers via transformation

◇ agentic-ai ◇ ajv ◇ checker ◇ fast

226 ↑ +1 today

#4 TRENDING json-everything/json-everything C# 2020

System.Text.Json-based support for all of your JSON needs.

◇ json ◇ json-e ◇ json-logic ◇ json-patch

201 ↑ +1 today

#5 TRENDING ardatan/feTS TypeScript 2023

🗹 TypeScript HTTP Framework focusing on e2e type-safety, easy setup, performance & great developer experience

◇ fetch ◇ fetch-api ◇ json-schema ◇ openapi

33 ↑ +1 today

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