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
Category
Sort:Used by Most Apps
bufferutil
Native buffer masking and unmasking utilities that make the ws WebSocket library fast.
NestJS Cache Manager (@nestjs/cache-manager)
Official NestJS caching module wrapping cache-manager and Keyv for pluggable multi-store caching.
mdast-util-to-markdown
Serializes an mdast syntax tree back into CommonMark-compatible markdown text, with pluggable handlers for custom syntax extensions.
exa-js
Official TypeScript/JavaScript SDK for the Exa AI-native web search API
frozenlist
A list-like Python type that can be frozen at runtime to guard shared state from further mutation.
cron-validator
A zero-dependency TypeScript library that validates cron expression strings, with support for seconds, aliases, blank days, and nth-weekday syntax.
eslint-plugin-header
An ESLint rule that enforces a required comment header - line or block - at the top of every JS file, with regex matching and autofix support.
proxy-from-env
Resolves the correct proxy URL for a request by reading standard *_PROXY and NO_PROXY environment variables
typing-inspection
Runtime introspection tools for Python type annotations, maintained by the Pydantic team
vitest-canvas-mock
A drop-in HTML canvas mock for Vitest that emulates spec-accurate CanvasRenderingContext2D behavior in jsdom test environments.
aiohappyeyeballs
Happy Eyeballs (RFC 8305) connection racing for asyncio when you already have resolved addresses
@codemirror/lang-java
Java language support for the CodeMirror 6 editor, powered by a Lezer grammar.
@codemirror/lang-cpp
C++ language support for the CodeMirror 6 code editor, with syntax highlighting, indentation, and code folding.
Whisper
A general-purpose speech recognition model for transcription, translation, and language identification, trained on large-scale weak supervision.
CrewAI
Multi-agent AI orchestration framework for role-playing autonomous agents
llama-index-llms-openai-like
LlamaIndex LLM integration for any OpenAI-compatible API endpoint, via the OpenAILike class.
Streamlit
Turn a Python script into a shareable data app in minutes, with no frontend code
Gradio
Build and share machine learning web apps and demos in pure Python.
Selenium
Official Python bindings for Selenium WebDriver browser automation
HeroUI
Accessible, Tailwind-native React components with a zero-boilerplate compound API.
Element Plus
A comprehensive Vue 3 UI component library built with TypeScript
tree-sitter
Incremental parsing library for building fast, resilient syntax trees
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
excelize
A pure Go library for reading, writing, and streaming Microsoft Excel spreadsheets, from cell values to charts and pivot tables.
