Integration for Jina: https://docs.langchain.com/oss/python/integrations/text_embedding/jina
Integration for Mixedbread: https://docs.langchain.com/oss/javascript/integrations/text_embedding/mixedbread_ai
Integration for Sentence Trasnformers on HuggingFace: https://docs.langchain.com/oss/python/integrations/text_embedding/sentence_transformers
Vector databases
GraphRAG
See: https://docs.langchain.com/oss/python/integrations/retrievers/graph_rag for working with Graph RAG]