Haystack Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems. ⭐ 25,557 stars Language: MDX

Topics: agent, agents, ai, gemini, generative-ai, gpt-4, information-retrieval, large-language-models, llm, machine-learning, nlp, orchestration, python, pytorch, question-answering, rag, retrieval-augmented-generation, semantic-search, summarization, transformers Discovered via awesome-agents awesome list.