Free online VRP solver with time windows and capacity constraints. Upload your Excel workbook, optimize delivery routes with Google OR-Tools, and visualize results on an interactive map.
Free Roth conversion optimizer with full cash-flow modeling. Enter your IRA, Roth, and brokerage balances, your living expenses, and your income — an optimization model finds the conversion and withdrawal plan that maximizes your after-tax wealth, paying the tax from the right account. Built with Python and PuLP.
