These people have papers, calculators, or other tools that have aided me at some point.
People with degrees have asterisks for noticability.
Protip: google "home page" "I am a professor" - I can't tell you how many weird sites I've found this way!
I also have tags to help search; hover over them to display their full name:
good boi
(Simple/Low Bandwidth)
Alpert, Steve - lots of cool road photos and drawings
Faase, Frans - a programmish and mathish of the Netherlands. Site contains a blog, as well as numerous useful pages about oddly specific math problems.
Gorenc, Janko - ONE! Ha-ha-ha. TWO! Ha-ha-ha. THRRRREE! Ha-ha-ha (collects natlang and conlang number systems)
Wayan, Chris - home of the World Dream Bank and Planetocopia. Site's been active for about two decades or so, and happens to be the person who inspired the person who inspired me to conworld!