Open Source Loan Calculators

Getting your first mortgage? No, this isn't spam, its mort! A simple but powerful loan/mortgage calculator that also amortizes.

Reor is a free calculator which is crafted into perfection with a winsome interface. Reor has got Scientific, Statistical, Graphical and many more types of tools built-into it, while maintaining an attractive interface.

A Perl CGI script which calculates a matrix of loan payments in a table for the purpose of determining which interest rate and term will best fit a buyer's needs. Working on linking the payment values to a ammort schedule.

Looking for a simple yet powerful financial tool? Our calculator app helps you easily manage your money with four key features. You can calculate how much your savings will grow with interest — just enter your deposit, rate, and period. It’s perfect for planning your investments. The app also helps you understand discounts — input the original price and discount percentage, and see the final price instantly. Managing regular payments is simple: just enter the amount, frequency, and duration to find out your total expenses. Additionally, the app provides a clear financial overview, combining all calculations to help you plan smarter. Its intuitive interface makes navigation easy, and all calculations use reliable formulas for precision. The app is fast, lightweight, and works offline, securing your privacy by not storing personal data. Whether budgeting, saving, or shopping smarter, this app is your go-to tool for better financial decisions.

This command-line program written in C++ is a highly accurate calculator used to calculate monthly, yearly and full term mortgage repayments at a fixed interest rate. The program rounds up to the nearest whole pound and uses the same precise algorithm as other mortgage calculators. The program is fast, efficient and you can know your exact mortgage repayments in just 30 seconds!* *Additional fees not calculated - Harry Groom

Managing any loan well takes a lot of effort when it comes to making the right payments on time. In order to help users in the same, the Tribal Installment Loans Calculator is the right tool. It is a comprehensive tool that lets users decide the budget for their situation; choose the right loan type and the repayment options. And what makes it even better is that it is absolutely free of cost.