Yes, we have basic editor/IDE plugins that let you (1) open up Sourcegraph to the current document's file/line and (2) search. Sourcegraph for Atom is in prelrease at https://github.com/sourcegraph/sourcegraph-atom. Other editors are at https://about.sourcegraph.com/docs/integrations/.

What features (other features, if any) are you specifically interested in? It would be awesome if you posted feature request issues on the open-source repos for sourcegraph/sourcegraph or for the editor plugins!

No vim/nvim or emacs editor plugins?

The two most popular editors used by programmers...

Sigh

Sourcegraph CEO here. I use Emacs personally and configured https://github.com/sshaw/git-link to make it work for me. See https://github.com/sshaw/git-link#building-links-and-adding-.... Will submit a PR or make our own sourcegraph-mode at some point (if anyone else wants to do so, that would be awesome).

Citation needed...