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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csv-parser
A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.
json-logic-js
A lightweight JavaScript engine for building, storing, and executing JsonLogic rules across the front-end, back-end, and database.
jsonschema
A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.
jmespath.js
Query and transform JSON data in JavaScript with a single declarative expression string
lossless-json
Parse and stringify JSON without losing precision on big numbers
referencing
Implementation-agnostic JSON reference resolution for JSON Schema, OpenAPI, and beyond
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
Open Policy Agent (OPA)
Open source policy engine for unified authorization and compliance decisions across your stack.
HCL v2
A Go toolkit for parsing, evaluating, and generating HashiCorp's HCL configuration language.
jsondiffpatch
Diff and patch JavaScript objects with compact deltas, smart array diffing, and pluggable output formatters.
gock
Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.
Standard Webhooks (Python)
Python reference implementation for verifying Standard Webhooks HMAC-signed webhook payloads
xml-js
Converts XML text to JavaScript objects or JSON and back, preserving element order.
configstore
Easily load and persist config without having to think about where and how it's stored on disk.
refractor
Lightweight virtual syntax highlighter that wraps Prism to output hast syntax trees instead of HTML strings.
@cfworker/json-schema
A dependency-free JSON Schema validator built to run inside Cloudflare Workers and other restricted JS runtimes without eval.
strip-json-comments
Strip comments from JSON strings so you can safely use JSONC config files.
@neondatabase/serverless
Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.
json-stable-stringify
A deterministic version of JSON.stringify() that sorts object keys so identical data always produces identical output.
@codemirror/lang-php
PHP language support for the CodeMirror 6 code editor
SQLModel
One model for SQLAlchemy and Pydantic, built by the creator of FastAPI to kill duplicate schema code.
jsonparser
A fast, allocation-free JSON parser for Go that reads values by key path without unmarshaling into structs.
easyjson
Reflection-free JSON marshaling and unmarshaling for Go, generating type-specific code up to 5x faster than encoding/json.
Endroid QR Code
Generate QR codes as PNG, SVG, EPS, WebP, or binary in PHP
