OpenOffice Writer is a free word processing software that is part of the Apache OpenOffice suite. It allows users to create, edit, and format text documents easily. With features like spell check, templates, and various formatting options, it is suitable for both personal and professional use. The software supports multiple file formats, including Microsoft Word documents, making it versatile for users who need to share files. Its user-friendly interface and extensive functionality make it a popular choice for those looking for an alternative to paid word processors.