Zoho offers a wide range of on-demand office productivity applications. The apps include:


Zoho Writer - Online Word-processor
Zoho Sheet - Online spreadsheet
Zoho Show - Online presentation

Zoho CRM - CRM
Zoho Virtual Office - Online collaboration
Zoho Creator - Online application creation
Zoho Planner - Personal Planner
Zoho Chat - Online Chat


....and more.

Visit Zoho for more details.