Personal Finance Startups & Tools

Count banknotes by denomination in 78 currencies on Windows: type the note counts, read the total, keep a history of counts.

Free Canadian mortgage calculators and AI mortgage tools by Jenny Tate, a licensed Ontario mortgage agent.

Free AU take-home pay calculator for the 2025–26 financial year

Arabic personal-finance calculators and education for Saudi consumers

Native Mac invoicing. Buy once, work offline.

Free browser-based calculators for mortgages, car loans, early repayment, fees, and effective annualized borrowing costs.

BIFL reviews ranked by cost per decade, failure modes, and real warranty fine print.

Practical FIRE guides: savings rate, index funds, the 4% rule stress-tested with real math.

Side hustles ranked by real take-home per hour - hidden costs priced first, receipts included.

Independent car cost calculator comparing buying, leasing and financing with consistent total-cost assumptions.

Polish personal finance dashboard for tracking your budget in your own way.

Free rent split calculators for roommates and shared homes.