Most word processors, such as Microsoft Word, include this capability. But Texter does it not just for a single application, but for every application you use, including your e-mail client and Web browser.
Defining new abbreviations is exceptionally easy, so anyone should be able to get up and running in seconds. For those who are more technically inclined, the program offers other useful features, notably the ability to perform advanced scripting tasks, such as automated responding to e-mails.