Idealware is a small nonprofit that helps other nonprofits make smart decisions about software. Microsoft Office continues to dominate the productivity software marketplace.However, open-source options such as Apache Open Office and the Document Foundation's Libre Office have emerged — and many users feel they are as good or better than Microsoft Office.
A tool for creating and editing mathematical formulae, analogous to Microsoft Equation Editor or Math Type.The open-source options also include "Base," a database similar to Microsoft Access; a tool called "Draw" that's similar to Microsoft Visio; a chart-creation module called "Charts"; and an equation editor called "Math." Although some desktop versions of Microsoft Office don't include the desktop-publishing application Publisher, all now offer One Note, a note-taking and sharing tool. Neither of the open-source alternatives provides an email or calendaring tool or an analogue for One Note.For the purposes of this article, we'll focus on word processing, spreadsheet, and presentation tools.Apache Open Office's default file format is the Open Document Format (ODF), an ISO/IEC standard.It can also read and write a wide variety of other file formats, with particular attention to those from Microsoft Office (although unlike Libre Office, it cannot save Microsoft's newer XML formats like DOCX, only import them).