Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
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Sort:Used by Most Apps
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
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.
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
electron-devtools-installer
Installs Chrome DevTools extensions like Redux and React DevTools directly into Electron apps.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
isort
Automatically sorts and organizes Python import statements
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
flake8
The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
gridstack.js
A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
npm
The default command-line package manager for Node.js and the JavaScript ecosystem
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.
fpdf2
A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.
kombu
A Python messaging library giving Celery and other apps one high-level API over AMQP, Redis, SQS, and a dozen other broker transports.
