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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prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
Pino
A super fast, low-overhead JSON logger for Node.js applications.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
type-fest
A collection of essential, ready-made TypeScript utility types beyond the built-in standard library.
superjson
Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
JSON5
JSON for humans: an extended JSON syntax with comments, trailing commas, and unquoted keys for hand-written config.
jsonschema
The reference implementation of JSON Schema validation for Python, supporting every draft from 3 to 2020-12.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
shadcn
Add beautifully designed, accessible UI components as owned source code via a CLI
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
gjson
Fast, dependency-light JSON value extraction for Go using dot-notation paths.
Laravel
The expressive, elegant PHP framework for building modern web applications
jsonrepair
Repair invalid or broken JSON documents — missing quotes, trailing commas, truncation, and more
