The VXB team has made a great looking block explorer that offers a few more capabilities than the block explorer we built internally. Unfortunately though, it relies on a custom RPC API and not on the one that was recently added to neptune-core.
I started the porting of their block explorer, so it can get the blockchain information from unmodified version of neptune-core but I ran out of time before more pressing priorities took over.
Finishing this work would be a good way to get a gentle introduction to the neptune-core codebase and abstractions and it would be a great service to the community.
I started the work in the latest commit on my fork of explorer.