High Quality Content by WIKIPEDIA articles! Mariner Software is an American corporation with a focus on designing and publishing computer software products. Headquartered in Minneapolis, Minnesota, Mariner develops, sells, and supports professional and personal software for the productivity, writing and creative markets. The company`s software products include Mariner Write, a word processing application and Mariner Calc, a spreadsheet application. Mariner is also currently involved in the development of new software, such as MacJournal and WinJournal desktop blogging software, Montage screenwriting software, Contour screenplay development software and Mariner Paperless digital document management software.