To find car rental software, I advise you to pay attention to specialized platforms and websites where developers offer solutions for car rental companies, for example, here https://rentprog.com It is important to make sure that the software supports basic car rental functions such as booking, customer accounting, financial accounting and reporting

I recommend contacting professional IT consultants or software developers for the automotive business. They will help you select and customize the optimal solution, taking into account the specifics of your business and needs