Discover tools built by indie makers, solo founders, and AI-native teams. Filter by trust, category, and build stack to find a credible shortlist faster.
Organic order follows listing usefulness, trust, and community response. Owners verified in the last 90 days receive a small trust lift. Paid placements use separate rotating slots and are labelled Sponsored.
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Convert a measured stone area and depth into volume and mass using a declared bulk density.
calculatorqueen.com
China entry-readiness checks for international travelers
you-china.com
Plan net drywall area, panel size, waste allowance, and the whole sheets needed for a project.
calculatorqueen.com
Convert Celsius and Fahrenheit both ways with formulas, reference points, and a table.
calculatorqueen.com
Nominate any app and we'll add it to the directory. The real owner can claim the listing later.
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