Feng Office - Feng Office is a commercial Open Source web based solution aimed to enhance collaboration and productivity
FCorp ID Book - ID Book is a handy, easy to use application specially designed to offer users a simple address book.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
Redmine - Flexible project management web application
ThinkFree Office - The office productivity suite for on-the-go featuring online collaboration and the best round-trip...
CRM-gx - Contact Management