I code it and publish the resulting program to our github page.
Rinse and repeat!
All the resulting software is dedicated to the public domain.
Hints:
The software suite is composed of independent single-purpose modules.
Requested functionality must be concrete i.e. "Convert MP3 to OGG", "Scrape baseball data from ESPN.com to excel", "Sort numbers in text file" , et cetera.
You can suggest modules opening non-featured categories. There is always space for adding more.