A Chinese to English translator web app that I wrote over 20 years ago using LAMP architecture, prior to Google Translate being released.
Dice Roller
Years ago, I wrote an app that simulates various types of dice rolls common to table-top role-playing games (TTRPGs). I know this is probably not useful to anyone, but I wrote it as an exercise to hone my skills in web programming.
NameGen: a Random Name Generator for Writers
NameGen is a random name generator for writers. It is useful for fantasy fiction authors, gamers, business users, system administrators, linguists, and game developers to randomly generate names and words of a certain flavor.
Idea Lab
The concept of an Idea Lab is to gather together all of the tools for coming up with ideas and brainstorming into one web workspace. I would also create my own tools by writing web apps to randomly generate ideas or aid in the brainstorming process.