Here are some links to some projects from the past.
C++ full text parser
This is was used for full text search.
Apple II low resolution graphics to java graphics translator
associated originallow resolution graphics BASIC code.... looks simple because a child wrote it.
Another version of the above ported as javascript. It is great considering Oracle pulled out the Applet capabilities years ago
Here it is in action.
<--P>Quick hexadecimal character encoder decoder.... produces interesting encoding. This is something I made as a fun project in 1999 but again was originally written for a java applet. Here's the original code:String manipulation via Perl and bash used to as a webcrawler