Lately I've been making a number of web toys and tools. Mainly these are ways for me to learn javascript and other stuff.
I'm Feeling Lucky Link Generator - Makes links for I'm Feeling Lucky searches.
Highpoint Map - Map of state highpoints.
Relativistic Acceleration - Calculate speed and distance from acceleration.
Wawa Locations - Map of Wawas.
Screen Size Calculator - Find height and width of a screen from diagonal size.
Password Strength Checker - Estimates the time to crack different passwords.
Color of Time - Converts time into RGB color value. Explanation here.
Cryptographic Hash Generators - Generates cryptographic hashes in real time (MD5, SHA-1, SHA-512, RMD-160). Explanation here.
Odds of Risk - Calculates the odds of winning a battle in the game Risk. Explanation here.
Color Picker - A basic foreground/background color picker.
Mailinator Generator - Generator random usernames to be used with mailinator. Explanation here.
Reddit Search - Makes searching Reddit a bit easier.
Truth Table - Generates truth tables
The following aren't javascript, but perl scripts that generate a webpage everyday and upload it here.
Flash Price - Finds cheapest $/GB price for flash on Newegg. Explanation here.
Geohash - Shows the current geohash locations for the eastern US. Explanation here.