I have a pre-made accounting web based script, which can be installed on PC and Live server. For the PC have required any app which needs to Run a local website, my recommended tools are Xampp, Lamp and Mamp. My script's main Modules are
1. Customers 2. Transactions 3. Add transaction
you can add new customer with his complete detail such as phone, name and address, and then you can Debit & Credit transactions in his account. there is also a search bar which is available on Customers and Transactions both pages from where you can search specific customer and specific transaction with keywords. Also it have a Export option in MS Excel format. It works with MySQL database.