Nucleus Software Exports Limited Nucleus Software Exports Limited provides software solutions to the Banking and Financial Services Industry. For over 30+ years, we have developed solutions spanning from Retail Banking to Corporate Banking, Cash Management, Internet Banking and Credit Cards. FinnOneTM, the Flagship product of Nucleus Software is a comprehensive suite for Retail Banking applications comprising of modules like Customer Acquisition System, Loan Management, Delinquency and Recovery Management, Deposits and Finance Against Securities.