A guy donates software (matching gift programme with his IT company) to Shakespeare festival; it helps them operate. Lights, inventory, communication... use your job knowhow and give a hand to your hobbies!

Of course the librarian interest part is partly in organization:

"Now costume designers can look at images online rather than rifling through racks; costume inventories are so precise that if an understudy jumps into a role at the last minute, the software knows if the correct size costume is on hand."

In Oregon, Brushing Up Their Shakespeare, Helped Along by Software
By KATIE HAFNER
Published: November 8, 2005