Scribus is a multi-platform desktop publishing application, capable of producing press-ready PDF/X files. Importing text from basic ODF documents is supported.

SlideBoom, an online service for sharing presentations, supports ODF presentations (.odp)

StarOffice 8/StarSuite 8 is based on the open source OpenOffice.org application and comes in two editions - the Enterprise edition which is sold as the Enterprise RTU/Media product on the Sun/partner pricelists and the Standard edition which is included in the retail/etail offering, the download and OEM version. The Enterprise Edition contains the core features found in the Standard Edition as well as the StarOffice Migration Tools and JDS Configuration Manager.

Oxygen XML Editor offers support for editing, transforming and validating documents composing the Open Document format (ODF) package directly through the archive support.

A complete framework is offered in Oxygen providing powerful support for editing and validating documents from the OpenDocument format (ODF) zipped package.

Validation is done using the latest Open Office ODF Documents version 1.1 Relax NG Schemas.

TEA is a Qt-based editor for Unix and Windows. Version 25 features better support for reading ODF text files (.odt)

This is a freeware Java J2ME-based application for the mobile / cellular phone. It allows you to create and send out short and simple documents on the mobile phone in various competing 'next-generation' electronic document formats. These include OpenDocument Format (ODT), Microsoft's Office Open XML (DOCX), China's national electronic document format Unified Office Format (UOF) and the popular Portable Document Format (PDF).

TeX4ht is a highly configurable TeX-based authoring system dedicated mainly to produce hypertext. Pre-tailored configurations are offered for different output formats, including ODF.

Spanish open source project featuring an ODF viewer for JavaME phones.

A port to Android  is also available.

Mathematica is a computational program used in scientific, engineering and mathematical fields. It can import ODF spreadsheets (.ods)

Writer2LaTeX is a utility written in java. It converts documents in ODF – in particular documents containing formulas – into other formats.