also, for some quick and simple Q&A system. Haystack https://github.com/deepset-ai/haystack https://github.com/deepset-ai/haystack (essentially dense vector sim

also, for some quick and simple Q&A system. Haystack https://github.com/deepset-ai/haystack https://github.com/deepset-ai/haystack (essentially dense vector similarity on Elastic Search) looks pretty promising and supports whole pipeline.