Built here, kept here.

Every product on the shelf is described the same way: what it does, what it does not do, and why it exists. A product stays in this list while it is deployed, monitored and fixed.

Also from the studio

One-off tools that solve a single problem and are not maintained as products. They have no app page, so they are listed here.

What shipped and when is recorded in the changelog. The arithmetic behind Budgettin is published separately as four free calculators under Tools.