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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MCP TypeScript SDK
The official TypeScript SDK for building Model Context Protocol servers and clients.
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
python-sdk
The official Python SDK for building Model Context Protocol servers and clients that expose tools, resources, and prompts to any LLM host.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
nest-cli
Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.
FastMCP
The fast, Pythonic framework for building Model Context Protocol servers, clients, and apps
MCP Go SDK
The official Go SDK for building Model Context Protocol servers and clients, maintained in collaboration with Google.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
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.
ddgs
A Python metasearch library that aggregates text, image, news, and video search results
excelize
A pure Go library for reading, writing, and streaming Microsoft Excel spreadsheets, from cell values to charts and pivot tables.
assistant-ui
Composable React primitives and a headless runtime for building production-grade AI chat interfaces.