Is there something like this but open source, maybe integrated with LangChain? Like a LangChain package registry or something.

Or maybe that's just pip and the Python registry. Is there a way to search for a certain tag or something and embed that search in a web page?

https://pypi.org/search/?q=LangChain

Some context: https://writings.stephenwolfram.com/2023/06/prompts-for-work...

In the last couple weeks there is now a WolframAlpha plugin for ChatGPT+.