The following are some of the best and most popular amortization schedule software applications, and websites that offer web-based amortization schedule tools on the Internet.

Bankrate.com (http://www.bankrate.com/brm/amortization-calculator.asp) has an amortization schedule calculator that calculates your monthly mortgage payment and shows you the impact of extra mortgage payments on your loan and creates an amortization table. You have to enter the mortgage amount, mortgage term, interest rate, mortgage start date and monthly payments in the input boxes before your amortization schedule can be generated.

Loanamortizer.com is a loan amortization and loan management software website. It offers a downloadable evaluation product called LoanAmortizer (http://www.loanamortizer.com/_en/download/). The application utilizes features such as drop-down menus to enter details such as amortization method, contract date and interest rate types to calculate amortization schedules.

Math.about.com has an Amortization calculator (http://math.about.com/library/blamort.htm) for computing your mortgage when you enter anticipated amount of house, amount of down payment, anticipated interest rate, anticipated length of loan, in years, and start date of loan – a very friendly interface which is quite easy to use.

Pine-grove.com has a calculator called “Flexible Amortization Schedule”. “Flexible” because any attribute can be adjusted according to one’s wish. For example, rates can be adjusted to create ARMs, change payment amounts or skip payments; and the amortization can be copied and printed. Evaluation copies of their Amortization Schedule products - AmortizeIT (http://www.pine-grove.com/downloads/amortizeit.htm) and SolveIT (http://www.pine-grove.com/downloads/solveit.htm) - can be downloaded for free.

HSH Associates (http://www.hsh.com/calc-amort.html), a consumer loan information website, features an amortization calculator to generate an amortization schedule (by month or by year) as well the monthly payment for a mortgage paid either monthly or bi-weekly. It is also capable of demonstrating the effects of prepaying your mortgage on an irregular or regular basis. There is also a JavaScript version available.