OpenOffice.org is a free, Open Source alternative to MS Office with a Word compatible word processor, a complete Excel compatible spread sheet program and a Power Point like presentation software and drawing program and also allows to save to PDF file.
In addition, OpenOffice.org offers enhanced printing capabilities and options for direct connection with external email programs as well as form-letter management to send letters to addresses from a database.

OpenOffice.org includes:

Writer – a word processor you can use for anything from writing a quick letter to producing an entire book.
Calc – a powerful spreadsheet with all the tools you need to calculate, analyse, and present your data in numerical reports or sizzling graphics.
Impress – the fastest, most powerful way to create effective multimedia presentations.
Draw – lets you produce everything from simple diagrams to dynamic 3D illustrations.
Base – lets you manipulate databases seamlessly. Create and modify tables, forms, queries, and reports, all from within OpenOffice.org
Math – lets you create mathematical equations with a graphic user interface or by directly typing your formulas into the equation editor.

OpenOffice.org is easy to use:

* the software looks and feels familiar and is instantly usable by anyone who has used a competitive product
* it’s easy to change to OpenOffice.org – the software reads all major competitors’ files
* few language barriers – if it’s not yet available in your language, the chances are it will be soon
* OpenOffice.org is supported by a global community of friendly volunteers, only too happy to provide assistance to newcomers and advanced users alike

OpenOffice.org is free software:

* you may download OpenOffice.org completely free of any licence fees
* install it on as many PCs as you like
* use it for any purpose – private, educational, government and public administration, commercial…
* pass on copies free of charge to family, friends, students, employees, etc.

OpenOffice.org is standards compliant – certified by OSI as open-standard compliant, and the first software package in the world to use OASIS OpenDocument Format (ISO 26300) as its native file format.

You can download OpenOffice.org 3 to test (145 MB):

But this version software is not recommended for production use at this stage. For production, download (127 MB):

Corel Corporation released Corel WordPerfect Office X4, the latest version of the real alternative to Microsoft Office.

WordPerfect Office X4 combines all of the trusted features that WordPerfect Office is known for while breaking new ground as the world’s first PDF office suite. Offering a full range of PDF capabilities, WordPerfect Office X4 makes it easy for users to import, edit and export PDF documents – including scanned PDFs – dramatically simplifying user workflows and reducing the need for third-party PDF software.

In addition to its significant PDF enhancements, WordPerfect Office X4 now provides suite-wide compatibility with Microsoft Office 2007 files (OOXML) and Open Document Format (ODF) in WordPerfect X4. With PDF-reading software installed on more than 80% of all U.S. PCs (Source: Jupiter Research), WordPerfect Office X4 enables users to collaborate and share files more broadly and more effectively than ever before.
WordPerfect Office X4 extends WordPerfect’s legendary reputation for superior formatting power and control by introducing new Web collaboration and storage services, a new document redaction tool, a Web-connected digital notebook and an innovative new business intelligence package.

WordPerfect Office X4 – Standard Edition includes the familiar word processing, spreadsheet, slide show and email applications that have consistently distinguished Corel’s office suite: WordPerfect, Quattro Pro, Presentations and WordPerfect MAIL. This release also features innovative additions including Corel Connector online services, WordPerfect Lightning for digital note taking and Corel Visual Intelligence SE for data visualization and business intelligence. These elements, in combination, make up a powerful suite that helps customers communicate their ideas more effectively and with greater impact.

WordPerfect Office X4 will be available in four versions:

- WordPerfect Office X4 – Standard Edition is available starting today at an SRP (suggested retail price) of $159.99 US for the upgrade version and $299.99 US for the full version.

- WordPerfect Office X4 – Professional Edition, designed for enterprise and government customers, includes many of the features in the Standard Edition along with the relational database Paradox, the WordPerfect Office Software Development Kit (SDK) and other enterprise-class tools. The Professional Edition is available for an SRP of $259.99 US for the upgrade or $399.99 US for the full version.

- WordPerfect Office X4 – Home and Student Edition, available starting May 5, 2008, includes WordPerfect X4, Quattro Pro X4, Presentations X4, WordPerfect Lightning and Corel Visual Intelligence SE. Priced at an SRP of $119.99 US, Home and Student Edition is licensed for non-commercial and education use and may be installed on up to three PC’s in the same household.

- Corel Family Pack 2009, priced at an SRP of $89.00 US, is specifically designed to address the needs of the home PC user, combining the inviting word processing and spreadsheet experience of WordPerfect X4 and Quattro Pro X4 with the creative capabilities of Ulead VideoStudio 11 SE for video editing and Corel MediaOneTM for organizing and editing digital photos and videos.

Download a free trial version of Standard Edition (358 MB):