Features word processing, spreadsheets, charts, presentations, database, and print layout. Open source.

Take screenshots, or record screencasts. Free trial available.

A desktop publishing application that can be used for complex typesetting and layout tasks. Open source.

LaTex is a build of Tex, a type-setting software with scientific and technical documentation features.

Engaged365 includes web versions of Microsoft Word, Excel, PowerPoint, as well as email, calendar, and cloud storage, among other functions. Free, provided by Cleveland State University.

Create a Google account and use Google versions of word processing, spreadsheets, presentations and diagrams. Documents can be shared with other Google users. Free.

Create dynamic presentations. Free.

Create flowcharts, diagrams, and other visuals. Free.