Continuing to hack on https://rolepad.com, a free job application tracking app. Currently working on the employer side to allow greater visibility into application status for both parties and hopefully lead to less ghosting.
This is a cool product. From an applicant's point of view, though, it's very easy to get depressed when you get tens of rejection emails or no emails at all. When people get depressed, they stop applying, which means they stop using your product as well. Just a thought.