Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Level
Universal abstract-level key-value database, one API for Node.js and browsers
jsts
JavaScript port of the Java JTS Topology Suite for spatial predicates, geometry operations, and OGC Simple Features processing.
simd-json
A Rust port of simdjson that parses JSON with SIMD instructions for extreme throughput.
Countries
Typed ISO country, language, currency, and continent data with zero-dependency lookup utilities for JavaScript and TypeScript.
@koa/bodyparser
TypeScript Koa middleware that parses JSON, form, text, and XML request bodies straight into ctx.request.body.
jsonpickle
Serializes and deserializes arbitrary Python object graphs to and from JSON, including custom classes.
rama-core
The async Service and Layer trait core that every Rama network stack builds on.
Roarr
A zero-configuration JSON logger for Node.js and the browser that decouples log production from transport.
Laravel Schemaless Attributes
Add NoSQL-style schemaless attributes to Eloquent models, stored in a single JSON column.
is-my-json-valid
A code-generating JSON Schema validator built for raw speed in Node.js applications.
sonic-rs
A fast Rust JSON library powered by SIMD for high-throughput parsing, serialization, and querying.
primp
Python HTTP client that impersonates real browser TLS and HTTP/2 fingerprints.
@fastify/jwt
JWT authentication plugin for Fastify, decorating routes with sign, verify, and decode utilities built on fast-jwt.
flatten-json
Flatten and unflatten deeply nested JSON in Python
jiter
Fast, iterable JSON parser powering Pydantic's Rust core
native-tls
A safe, ergonomic Rust wrapper over each platform's native TLS implementation.
srsly
Unified, cross-platform JSON, JSONL, MessagePack, Pickle, and YAML serialization for Python
jsonargparse
Build Python CLIs and configuration from type hints, config files, and environment variables with minimal effort.
hjson-js
A human-friendly JSON superset with comments, quoteless strings, and optional commas — parse and stringify config files without sacrificing readability.
react-json-editor-ajrm
A drop-in React component for viewing, editing, and validating JSON with live syntax highlighting.
geojson
A Rust library for reading, writing, and serializing the GeoJSON vector GIS format
groq-js
A TypeScript implementation of GROQ, the query language for filtering, joining, and shaping JSON documents.
dirty-json
A permissive JSON parser that recovers valid data from malformed, hand-edited, or scraped JSON strings.
jwt-simple
A fast, safe-by-default Rust library for creating and verifying JWT and JWE tokens across every major signing and encryption algorithm.
