LangChain

Open-source Python framework and enterprise platform for orchestrating teams of role-based autonomous AI agents.

Open-source data framework for connecting LLMs to private/enterprise data sources, widely used for retrieval-augmented generation (RAG) pipelines.

Open-source TypeScript toolkit for building AI-powered applications and agents, providing a unified API across many model providers.

Hyper-realistic voice cloning and multilingual TTS — the best voices in AI, period.