What are the different types of software development products that a software company can offer?

Software companies can provide a wide range of software development products, such as:
1. Custom software: Software created specifically for the needs of a specific customer.
2. Commercial off-the-shelf (COTS) software: Software that is developed and sold to the general public.
3. Open source software is software that is free to use and modify.
4. Software as a service (SaaS): Software that is delivered on a subscription basis via the Internet.
5. Mobile apps: Software programs designed to run on mobile devices.