This app lets you search by topic for unanswered questions on Stack Overflow to help you build your reputation. Find unanswered questions for a topic you know about, write quality answers, and watch your reputation go up.
Sometimes, you also need some inspiration. This page also lets you search for the top answerers for a tag. If you want to rise to the top ranks for a topic, see how many reputation points you'll need to aim for!
Find unanswered questions by tag. For multiple tags, use a semi-colon to separate.