miniblog.

GitHub will allow you star repo topics, not just individual repos: https://blog.github.com/2019-01-08-topic-starring/ Topics can be useful as a kind of hashtag to say what your project is about. I've not found them very useful for discovery so far. This could change usage patterns and improve matters!

Elisp has no namespaces. Some tools actually take advantage of this: completion with all known functions can work really well for discovery!

API Discovery: Can we do better? https://blog.apis.guru/api-discovery-can-we-do-better-2336706d5407 (Google provides more useful info when searching for restaurants than APIs!)