Account Billing Software. Not as advanced as accountings software, but enough details and abilities to be able to track jobs and invoice customers.
Accounting Software. Enough information management to handle income, expenses, accounts, profit/loss statements and other accounting software abilities.
Advertising Management Software. Manage advertising and the expenses that go with it, including commissions, conversion rates and report on which sections are performing best.
Asset Inventory Software. Record and track all business assets.
'Custom software' is not necessarily more useful than any other type of software, but
it generally solves a problem that is specific to an particular organization or group.
OTS Software is short...
Custom written software is software which is written for one specific occasion. It may be that a researcher needs to do a lot of complex calculations. If they go out and buy a copy of Mathematica,...