The best open source office suite for word processing, spreadsheets, presentations, graphics, databases, and more.

  • Writer

    Mircosoft Word's replacement. Writer is highly compatible with many formats and it has the ability to export to PDF which separates it from the competition. Writer is also compatible with your Word files!

  • Calc

    Microsoft Excel's replacement. Calc can create spreadsheets and forms similar to Excel, plus it can do more. Calc allows you to easily create graphs and also save files in PDF or Excel format.

  • Impress

    Mircosoft PowerPoint's replacement. Impress is easy to use and can be used to quickly create impressive presentations and slideshows. Unlike PowerPoint, Impress can create Flash and PDF files as well.

  • Base

    Microsoft Access' replacement. Base can can create and maintain databases. It also can build forms and reports in highly accessible formats.

  • Draw

    Microsoft Visio's replacement. Draw boasts a simple and intutitve interacface which can create and edit vector graphics, diagrams, and charts with ease.

  • Math

    Math makes it easy to create and edit mathemtical formulas. This easy to use tool also allows you to export your equations to other programs, including Microsoft Office.

  • Templates

    Templates gives you hundreds of free templates for personal or business use. Choose from resumes, invoices, newsletters, and more.

  • Extensions

    With over 500 extensions such as foreign language dictionaries and spell checkers, OpenOffice really empowers you to customize the suite to meet your needs.

Try the FREE Office Suite

Windows 2000, XP, Vista or 7 (64 and 32 bit) Scroll down for other operating systems.

See What OpenOffice Can do:

  • Opens all common document formats
  • Saves documents as PDFs
  • Saves to highly compatible Open Office formats
  • Supports over 500 extensions
  • Offers superior customer support

Open Office can read and write files from other common office software packages




OpenOffice is an open source product licensed under GNU LGPL v3. Source code for OpenOffice can be found here.