Below is a short list of tools, most of which I made mostly for myself and then decided to make them available either to the public or only to Possibilities subscribers.) When grayed out it means the item is not currently available. Many lack professional polish.
Meme Maker — Upload an image and specify the text. HTML markup allowed.
QR Code Generator — Use Notepad to keep your notes accessible on all of your devices.
Date and Time — Unix timestamp for determining date and time.
Ajax Engines — Code to help with implementing Ajax.
Notepad — Use Notepad to keep your notes accessible on all of your devices.
Before-After Image Arrangement — Put two images side-by-side. Screen shot the result.
Animated 3D Book Cover — Use Notepad to keep your notes accessible on all of your devices.
Password Generator — Password generator with choice of characters and lengths.
Simple 2-Column Flex Code Generator — The title is explicit.
CSS Generator Class for Font Noto Sans — Originally created for use by Possibilities readers.