Edit: Due to the fact that this article is old, the installation instructions may not work anymore. In order to successfully install the latest version of LibreOffice, please access the libreoffice tag and open the latest article (the one on top).

The latest installation instructions for LibreOffice
Hello Linux Geeksters. As you may know, LibreOffice is the most popular open-source office suite, available for Linux, Windows and Mac OS X. The latest version available is LibreOffice 4.3, which has been released a while ago, coming with important changes and improvements.
Among others, it got support for OOXML Strict and OOXML graphics improvements have been added, a new feature for embedding OOXML files inside OOXML files is now available, 30 new Excel formulas have been implemented, support for Microsoft Works spreadsheets and databases has been made available, initial HiDPI support has been added, the PDF Import function is now capable of rotating text, support for Collada and .kmz files have been implemented, and support for some Mac (ClarisWorks, ClarisResolve, MacWorks, SuperPaint) file formats has been implemented. For more information, see the changelog.
In this article I will show you how to install LibreOffice 4.3 on Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and their derivative systems.
Because it is not available via any repository, we have to download the archive containing the libreoffice packages from the official site, extract the archive and install the rpm packages inside. Follow the instructions for you system and architecture exactly, in order to get a successful installation.
How to install LibreOffice 4.3.0 on 32 bit Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and derivative systems:
$ wget download.documentfoundation.org/libreoffice/stable/4.3.0/rpm/x86/LibreOffice_4.3.0_Linux_x86_rpm.tar.gz
$ tar -xzvf LibreOffice_4.3.0_Linux_x86_rpm.tar.gz
$ cd LibreOffice_4.3.0_Linux_x86_rpm/RPMS
Install LibreOffice 4.3 on Fedora and CentOS:
$ sudo yum localinstall *.rpm
Install LibreOffice 4.3 on OpenSUSE:
$ sudo zypper install *.rpm
Install LibreOffice 4.3 on Mageia and OpenMandriva:
$ sudo urmpi *.rpm
Optional, to remove LibreOffice 4.3 on Fedora and CentOS do:
$ sudo yum remove libreoffice*
Optional, to remove LibreOffice 4.3 on OpenSUSE do:
$ sudo zypper remove libreoffice*
Optional, to remove LibreOffice 4.3 on Mageia OpenMandriva, do:
$ sudo urmpe libreoffice*
How to install LibreOffice 4.3 on 64 bit Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and derivative systems:
$ wget http://download.documentfoundation.org/libreoffice/stable/4.3.0/rpm/x86_64/LibreOffice_4.3.0_Linux_x86-64_rpm.tar.gz
$ tar -xzvf LibreOffice_4.3.0.4_Linux_x86-64_rpm.tar.gz
$ cd LibreOffice_4.3.0_Linux_x86-64_rpm/RPMS
Install LibreOffice 4.3 on Fedora and CentOS:
$ sudo yum localinstall *.rpm
Install LibreOffice 4.3 on OpenSUSE:
$ sudo zypper install *.rpm
Install LibreOffice 4.3 on Mageia and OpenMandriva:
$ sudo urmpi *.rpm
Optional, to remove LibreOffice 4.3 on Fedora and CentOS do:
$ sudo yum remove libreoffice*
Optional, to remove LibreOffice 4.3 on OpenSUSE do:
$ sudo zypper remove libreoffice*
Optional, to remove LibreOffice 4.3 on Mageia OpenMandriva, do:
$ sudo urmpe libreoffice*