Can be used to refer to a relationship between two software applications. Example: A client company has an ERP application installed. Examples of a one-offs would include applications which interface with the primary application (i.e., the ERP software) such as:
1) CRM (Customer Relationship Management) application
2) Specialized Warehousing software
3) Barcode-reading software
4) Quote-generating software
This terminology is used by software application companies to designate sales opportunities within their client base or other potential customers who use the aforementioned primary software application.
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