Apache OpenOffice
Word processor or spreadsheet, presentation has become one, Apache OpenOffice (Apache Open Office) is a free office software. Microsoft Office is compatible with, may have similar operability as well as reading and writing files is characterized. Since its release in 2003, improvement has progressed mainly for compatibility with Microsoft Office. I would recommend to anyone looking for office software that can be used free of charge.
Text document, presentation, spreadsheet, drawing, database, are included in the formula is OpenOffice.org. Very similar to the interface of Microsot Office 2003 to both. Also, just glad also supports languages other than, as well as Western languages, but also be able to deal with simplified and traditional Chinese and Korean, and Arabic characters.
OpenDocument format other proprietary file formats that are supported by OpenOffice.org, the format also supports Microsoft Office. Also, the problem of when you open a Microsoft Office document that has been pointed out in previous versions, such as "break layout", has now been almost eliminated. In addition, the rich functionality of the document in the form of import unbelievably Ichitaro editing and PDF files, such as additional fonts, and is equipped with free.
However, there are still some problems with compatibility file. In particular, there may be a file that contains a macro file or XML format that was created in Microsoft Office is not open normally. For those who believe that the main use macro, we do not recommend the use of OpenOffice.org.
It's a good point
Support for reading and writing files in Microsoft Office formats
Operability is very similar to Microsoft Office
Simplified and Traditional Chinese, Korean deal and Western languages, such as Arabic characters
You can edit the PDF file
Regrettable point
Files or XML format that was created in Microsoft Office, with a macro file can not be opened
