Computer Software is a list of instructions that tells the computer hardware what to do. Without software hardware would be just metal, plastic that does nothing.
There are a number of companies that develop these kinds of software. Totality Software and Lariat Software, for example, are both known to make this software.
I don't use any workflow software since I'm unemployed, but here's an example of workflow software that's used by a lot of companies: http://www.processmaker.com/
Banks use various kinds of software. For example, they use Canopus EpaySuite by Canopus Innovative Technologies and Corniche by Megasol Technologies.
Microsoft Office Access
There are various different pieces of software available, for example Serif, is a piece of software I have used to create a website.
You can use mac-compatible Tv-on-PC software. One such example is Elgato's (http://elgato.com/) EyeTV. They sell both hardware and software for watching TV on your mac.
Asset Tracking software can be used for the tracking of all the IT used by a company. For example, the software will log all of the inventory of hardware and software in use by an organization.
A performance review software is based on different versions for different use, for example the software "Money", a Mac software is used to review and keep track of finance. Another example includes a review software for examining the rates of a computer or a laptop performance. The software for this is usually pre-installed on the laptop.
No. Excel is an example of applications software.
By system software, do you mean the Operating System; Window 7 being one example? I use Ubuntu on most of my computers.
An Application Service Provider (ASP) manages and delivers software to individuals or companies who rent the use of a software application for a specified period of time. In other words, one rents the use of software from an owner and one accesses it via the internet.
Businesses and companies may use computer cleaning software such as CCleaner. Similarly, a company may use Magix Audio Cleaner Pro to clean PCs, for example.