Email Hosting & Document Management: ...and a lot more. This is Zoho's suite of applications all on one desktop. Cheap, convenient and feature-rich. See Zoho Mail.
Database Creation: Would you rather just create your own databases, like an asset management database? Done. See Zoho Creator.
Project Management: Finding it hard to keep everyone on the same page with your IT projects? See Zoho Projects.
Document Management and Sharing: Centralize your support documentation and empower your team to comment and collaborate on the documents in one central wiki site. You could expose a wiki to the organization's employees for online help documentation (that's one of the ways Zoho uses their own Wiki product!): See Zoho Wiki.