What breaks at your company when a key developer leaves?

Every team seems to have one person who knows how the payment flow works, or the auth setup, or that old script nobody else has touched in years. When that person leaves, things get messy fast.

I kept running into this problem, so I built Kinlyze. It reads your git history and shows you which parts of your codebase depend on a single person. You can even pick a developer and see exactly what would break if they left tomorrow. It runs fully offline, so your code never goes anywhere.

It goes live on Product Hunt on July 28. The free month of Pro is on for early users.

Before that, I want to hear from you. Has a departure ever actually broken something at your company? And did anyone see it coming?