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.
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
batch conversion for track splitting using tensor flow libraries