AbiWord is free word processing program that allows users to work on a document with multiple people at the same time. It is connected with AbiCollab.net web service that allows the users to store their document online, it allows the users to easily share their document with friends. It allows multiple users to access and format the document. It is suitable for typing papers, letters, reports, memos, and so forth.
System Requirements: Mac or Linux.
Download AbiWord from the Provider's Website
AbiWord: User Manual
AbiWord: Support
AbiWord: Frequently Asked Questions
AbiWord: Knowledge Base
Referenced from: Abisource.com