PortableApps.com and The Document Foundation have collaborated together to release a portable edition of LibreOffice for people who want to carry a fully functional office suite on a pen drive.
The latest version now available is LibreOffice Portable 3.5.2. It is available as a free download from PortableApps.com.
The service spoke about the release:
LibreOffice Portable is a full-featured office suite — including a word processor, spreadsheet, presentation tool, drawing package and database — packaged as a portable app, so you can take all your documents and everything you need to work with them wherever you go. This release updates LibreOffice to the latest version. LibreOffice Portable is packaged in PortableApps.com Format so it can easily integrate with the PortableApps.com Platform. And it’s open source and completely free.