KaaBlitz Crossword
KaaBlitz allows you to create your own column crosswords, complete with sound effects, scoring, and easy puzzle customization!

KaBoom
An explosion simulation.

Kaleidoscope
Create cool animated kaleidoscope imagery using your own images! Source included.

KiserPassword
This free sophisticated password applet encrypts URLs so NO ONE can get to your secure pages without the password!

KissMe
A small image appears where you click on the larger image, along with sound effects.

Kitt
Add a little nostalgia to your site with this applet that's reminiscent of the KnightRiders flashing lights!

KLBanner
KLBanner is a simple banner applet which will fade in and out user-defined strings as they drift across the applet space. Source included!

KLMenu
Just 7kb, this little menu applet produces some big effects. Highly configurable with a handy little HTML generator located on the authors site!

KNCalendar
This applet displays a full calendar for any given year in the text box (after 1 AD). A god tool to easily find the day of the week for any day. Source included!

Kubik
Very configurable and extremely well documented, this applet takes any string of capital letters and rotates them in 3 dimensions. Source included!

Kuzushi
A variant on Block Kuzushi, a.k.a. Breakout. Knock out all the blocks before the time runs out!