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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FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Ajv
The fastest JSON Schema validator for Node.js and the browser, compiling schemas straight into executable validation code.
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.
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
passport-jwt
A Passport.js strategy for authenticating requests using JSON Web Tokens
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
Orama
A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.
fastest-levenshtein
The fastest JavaScript/TypeScript implementation of Levenshtein edit distance
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
isort
Automatically sorts and organizes Python import statements
Remeda
A TypeScript-first utility library with data-first and data-last function variants, lazy pipe evaluation, and fully typed transformations.
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
flake8
The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
node-oracledb
Oracle's official Node.js driver for connecting JavaScript and TypeScript apps directly to Oracle Database, in pure JS or with an optional native client.
fast-safe-stringify
Fast JSON.stringify drop-in that safely handles circular references
turf
The complete, modular geospatial analysis engine for JavaScript and TypeScript, bundling every Turf.js module under one install.
pendulum
A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.
fake-useragent
Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.
