Share Your App Ideas and Work Frustrations - Looking for Solutions

Maybe We can build in a week.

What application have you always wanted to build or see created?

On the flip side, what's the most frustrating problem you face at work? This could be anything - inefficient processes, communication issues, repetitive tasks, poor tools, or workflow bottlenecks.

What solution do you think would actually solve this problem? Are there existing tools that almost work, or would it require something completely new?