What is another word for application?

The best alternative word for "application" depends on the context. Here are some options:

General:

* Program

* Software

* System

* Tool

* Utility

* Service

* Platform

* Framework

* Implementation

Specific:

* Submission (if referring to an application for a job, college, etc.)

* Request (if referring to a formal application for something)

* Use (if referring to the act of applying something)

* Deployment (if referring to the process of making an application available)

Informal:

* App (for mobile applications)

* Tool

* Thing

For a more accurate replacement, please provide the context of how "application" is used.