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
Tags5
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.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
Collision
Beautiful command-line error reporting for PHP apps and test suites
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.
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.
tree-sitter-cpp
A fast, incremental C++ grammar for the tree-sitter parsing library
npm
The default command-line package manager for Node.js and the JavaScript ecosystem
slog-multi
Compose Go's log/slog handlers into fanout, routing, failover, and load-balancing pipelines.
ajv-errors
Custom, human-readable error messages for Ajv JSON Schema validation
github3.py
A comprehensive, actively developed Python wrapper around GitHub's REST API v3.