Kingsoft Office is a powerful and very complete office tool that was created to be very similar to Microsoft Office. It tries very hard to be a good alternative to Bill Gates`s famous package.
For this reason it is compatible with Microsoft Office (and also with OpenOffice), which means you can open and edit files in DOC, XLS or PPT formats easily.
Kingsoft Office includes its own text editor, a database and a program to make presentations (just like Powerpoint), being very intuitive to use and letting you even save the resulting files in PDF format.