I've been building side projects that leverage public data, and I've compiled a list of the best free tools I use regularly. ZipPeek ZIP code demographics, income, and housing data. Check it out: zippeek.com DegreeWize College tuition, acceptance rates, and outcome data. Check it out: degreewize.com SalaryByCity US salary data for 800+ occupations across 400+ cities. Check it out: salarybycity.com CostByCity Cost of living comparison across US metro areas. Check it out: costbycity.com CalcPeek Free online calculators and unit converters. Check it out: calcpeek.com More Free Tools NameBlooms — Baby name meanings, origins, and popularity trends CalorieWize — Nutrition and calorie data for thousands of foods VocabWize — English word definitions, usage, and vocabulary building GuideByCity — US city guides with demographics and livability data TariffPeek — HS codes, US import tariff rates, and trade compliance data IngrediPeek — Food allergen and ingredient checker for 20,000+ products PropertyTaxPeek — Property…