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#json

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

699 records
Tagged “json”Ranked by health index
PyPI
94Exceptionalhealth index
django-import-export/django-import-export
Django application and library for importing and exporting data with admin integration.
Python★ 3,332Aug 13, 2026
BSD-2-ClauseAug 13, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
docling-project/docling-core
Docling core data types and transformations
Python★ 280↓ 6.2M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
npm
94Exceptionalhealth index
inversify/monorepo
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
TypeScript · MDX★ 266↓ 19.8K/moJul 21, 2026
MITJul 21, 2026 · metrics 2.10.0
crates.io
94Exceptionalhealth index
jonasbb/serde_with
This crate provides custom de/serialization helpers to use in combination with serde's `with`-annotation and with the improved `serde_as`-annotation.
Rust★ 855↓ 47.6M/moAug 8, 2026
Apache-2.0Aug 8, 2026 · metrics 2.10.0
Packagist
94Exceptionalhealth index
jsonrainbow/json-schema
JSON Schema for PHP
PHP★ 3,629↓ 7M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
mangiucugna/json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input in Python.
Python★ 5,079↓ 39.4M/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
npm
94Exceptionalhealth index
michaelfaith/eslint-plugin-package-json
Rules for consistent, readable, and valid package.json files. 🗂️
TypeScript · MDX★ 248↓ 983.2K/moJul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
94Exceptionalhealth index
nlohmann/json
JSON for Modern C++
C++★ 50.3KAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
94Exceptionalhealth index
pinojs/pino
🌲 super fast, all natural json logger
JavaScript★ 18.1K↓ 168M/moAug 12, 2026
MITAug 12, 2026 · metrics 2.10.0
PyPI · npm
94Exceptionalhealth index
python-jsonschema/jsonschema
An implementation of the JSON Schema specification for Python
Python★ 4,967↓ 582M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
scikit-hep/awkward
Manipulate JSON-like data with NumPy-like idioms.
Python · C++★ 970↓ 862.5K/moJul 20, 2026
BSD-3-ClauseJul 20, 2026 · metrics 2.10.0
PyPI · npm
94Exceptionalhealth index
simonw/datasette
An open source multi-tool for exploring and publishing data
Python · JavaScript★ 11.4KAug 6, 2026
Apache-2.0Aug 6, 2026 · metrics 2.10.0
npm
94Exceptionalhealth index
stoplightio/spectral
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
TypeScript★ 3,172↓ 78M/moAug 4, 2026
Apache-2.0Aug 4, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
vega/altair
Declarative visualization library for Python
Python★ 10.5K↓ 53M/moAug 27, 2026
BSD-3-ClauseAug 27, 2026 · metrics 2.10.0
npm · RubyGems
94Exceptionalhealth index
vega/vega
A visualization grammar.
JavaScript · TypeScript★ 12K↓ 28.4M/moAug 27, 2026
BSD-3-ClauseAug 27, 2026 · metrics 2.10.0
PyPI · crates.io
94Exceptionalhealth index
vinitkumar/json2xml
JSON-to-XML converter for Python, accelerated with a native Rust extension.
Python · Rust★ 109↓ 318.2K/moJul 15, 2026
Apache-2.0Jul 15, 2026 · metrics 2.10.0
Maven
93Exceptionalhealth index
alibaba/fastjson2
🚄 FASTJSON2 is a Java JSON library with excellent performance.
Java★ 4,397Aug 28, 2026
Apache-2.0Aug 28, 2026 · metrics 2.10.0
npm
93Exceptionalhealth index
expressjs/body-parser
Node.js body parsing middleware
JavaScript★ 5,499↓ 542M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
PyPI
93Exceptionalhealth index
jpadilla/pyjwt
JSON Web Token implementation in Python
Python★ 5,695↓ 696M/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
PyPI
93Exceptionalhealth index
mauvilsa/jsonargparse
Minimal effort CLIs derived from type hints and parse from command line, config files and environment variables
Python★ 429↓ 4M/moAug 25, 2026
MITAug 25, 2026 · metrics 2.10.0
RubyGems
93Exceptionalhealth index
ohler55/oj
Optimized JSON
C · Ruby★ 3,225Sep 5, 2026
MITSep 5, 2026 · metrics 2.10.0
RubyGems
93Exceptionalhealth index
procore-oss/blueprinter
Simple, Fast, and Declarative Serialization Library for Ruby
Ruby★ 1,306Jul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
Maven
93Exceptionalhealth index
redisson/redisson
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..
Java★ 24.4KAug 5, 2026
Apache-2.0Aug 5, 2026 · metrics 2.10.0
PyPI
93Exceptionalhealth index
scanapi/scanapi
Automated Integration Testing and Live Documentation for your API
Python★ 1,573↓ 2,474/moAug 1, 2026
MITAug 1, 2026 · metrics 2.10.0
npm
93Exceptionalhealth index
surveyjs/survey-analytics
Customizable JavaScript library to create interactive survey data dashboards and facilitate survey results analysis for your end-users.
TypeScript★ 120↓ 102.1K/moJul 17, 2026
Custom licenseJul 17, 2026 · metrics 2.10.0
PyPI · npm
92Excellenthealth index
bowtie-json-schema/bowtie
JSON Schema in every programming language
Python★ 90Jul 29, 2026
Custom licenseJul 29, 2026 · metrics 2.10.0
npm · PyPI
92Excellenthealth index
hey-api/hey-api
👨‍🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
TypeScript★ 5,321↓ 39.4M/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
RubyGems
92Excellenthealth index
okuramasafumi/alba
Alba is a JSON serializer for Ruby, JRuby and TruffleRuby.
Ruby★ 1,189Jul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
PyPI
92Excellenthealth index
redis/redis
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.
C · Tcl★ 75.9KAug 4, 2026
Custom licenseAug 4, 2026 · metrics 2.10.0
PyPI
92Excellenthealth index
ultrajson/ultrajson
Ultra fast JSON decoder and encoder written in C with Python bindings
C++★ 4,497↓ 33.1M/moAug 27, 2026
Custom licenseAug 27, 2026 · metrics 2.10.0