Useful things I've either made myself or found around the Internet.
DM Tools & Resources
Links to various tools, random generators, and reference materials for D&D.
GTA Online Casino Limo
I couldn't find a map that showed the places the limo from the Guest Services desk in GTA Online's casino can take you, so I made one myself. I also made a version using the map of business you can buy (prior to arcades being added).
A list of famous and influential people who I do not wish to support because they have demonstrated that they hold views that I find objectionable.
A Google calendar showing the race days at York Racecourse, which I maintain so I - and anyone else who's interested - know when to avoid town.
I only check their website once a year, so if there are any changes, additions, or cancellations I won't know about them...