CrewAI

TypeScript toolkit for building AI-powered applications with React, Next.js, Vue, Svelte, and Node.js. Unified API for multiple AI providers with streaming.

Visual framework for building multi-agent and RAG applications with a drag-and-drop interface. Connects LLMs, vector stores, and tools into workflows.

LLM inference in pure C/C++. Run LLaMA and other models on consumer hardware with CPU and GPU support. The engine behind many local AI apps.