Openoffice

Apache OpenOffice 4.1.7

Document, spreadsheet, presentation and publishing suite used by millions

PRO: Useful Templates and Extensions
CON: Open Source Code May Pose a Threat in Your File Security
Vote: 6.0/10 (429 votes) Platform: Windows

OpenOffice Writer

Blank documents and other tools for writing

PRO: Edit DOCs within seconds
CON: Light on options
Vote: 9.0/10 (6 votes) Platform: Windows

IBM Lotus Symphony 3.0.1

Free office software built on the OpenOffice framework

PRO: Exports documents to PDF
CON: Can't import Office visual styles
Vote: 6.6/10 (120 votes) Platform: Windows

AndrOpen Office 3.0.2a

An app for viewing, reading and exporting Office documents

Vote: 4.0/5 (97 votes) Platform: Android

OpenDocument Reader 2.12.7

Allows the user to view ODF type documents

Vote: 4.0/5 (100 votes) Platform: Android

Remote Presenter 4.3.3

Remote control presentation tools like PowerPoint and OpenOffice

Vote: 3.5/5 (58 votes) Platform: Android

OOReader 2.2

View ODF documents (OpenOffice or LibreOffice) on Android phone and tablet

Vote: 3.5/5 (65 votes) Platform: Android

AbiWord Development 2.9.4

Create documents and other files with the word processor

OpenOffice docs, RTFs, LaTeX files and so much more. There are no limits to what file formats you can save …

PRO: Very light on resources and simple to use
CON: Requires add-ons to carry out spell-checks etc
Vote: 6.0/10 (100 votes) Platform: Windows

Office Documents Viewer (Free) 1.22.10

OpenOffice / LibreOffice (ODF) and MS Office (OOXML) document viewing app

Vote: 4.0/5 (56 votes) Platform: Android

Magic Excel Recovery 2.3

Search damaged drives, partitions and discs to recover Excel and OpenOffice spreadsheet documents and data 

Vote: 9.0/10 (3 votes) Platform: Windows