>>kjhugh+(OP)
I've worked at NCSA (to one extent or another) for about a decade. It's pretty remarkable to hear (from people who both pre-dated and post-dated the browser work) about the suite of tools being developed around that time. Many had a deep focus on collaboration, but none took off quite as much as Mosaic. A few are harder to find out about -- like the XCMD extension to HyperCard that added support for animations right off the Cray, or Contours, or PalEdit, or Montage for collaborative environments -- and others, like Habanero a few years later (
https://www.hpcwire.com/1999/04/16/ncsa-habanero-hot-java-ba... ) left comparatively bigger footprints.