Haystack [1] is another good option. It‘s modular, doesn’t get in your way and is particularly strong at retrieval. People like the documentation too. Disclaim

Haystack [1] is another good option. It‘s modular, doesn’t get in your way and is particularly strong at retrieval. People like the documentation too. Disclaimer: I work at deepset [1] https://github.com/deepset-ai/haystack https://github.com/deepset-ai/haystack