I created Video Hub App - browse, search, and organize your videos - "like YouTube for videos on your computer".
It's a commercial project / charityware that is turning 4 years old next month. I sell it for $5 per copy and give $3.50 to a cost-effective charity. If you go to the blog you'll see the history of sales. As of now I donated almost $13,000 to charity thanks to this project. It's averaging around 100 sales per month for over a year now.
Also open source MIT: https://github.com/whyboris/Video-Hub-App