solid-credit
Solid Credit is an advanced tool designed for the precise generation of loan amortization tables. This library encompasses a variety of loan structures, including the French, German, and American systems, in addition to offering options for grace periods.
@dazlab-team/loan-calc
Loan calculator written in TypeScript. OO interface. ARM (Adjustable Rate Mortgage) options. Interest only repayments. Extra monthly payments option. Adjustable repayment frequency.