Server-side FileManager is a Java servlet which implements FileManager. You can use this servlet for remote site management: upload/download files, copy/move files, edit files, etc. Its main advantage is that it uses only the HTTP protocol for access to your host, which allows it to work through most firewalls.
Share360 is an instant, cost-effective Web-based groupware suite integrating a customizable intranet portal page with key collaborative applications including document management, project management, contact databases, a group scheduler, a bulletin board, a to-do list, Web-based email, and Outlook Sync for Address Book. A 60-day free trial download is available.
Copper is a Web-based project management software tool designed to help creative teams manage clients, projects, tasks, files, budgets, and events. It has an HTML/AJAX front end. It is available with full source for a licence fee or as a SAAS hosted service (compatible with iPhone, but available via PC/Mac/Linux and a Web browser).
GroupOffice is a groupware suite that takes your office online, implementing online collaboration and CRM. It allows you to share projects, calendars, files and email online with co-workers and clients. It is easy to use and fully customizable. It also features synchronization with PDAs and Outlook.
Browser CRM is a Web-based suite combining integrated email functionality with flexible and powerful CRM (customer relationship management) and collaboration tools. Browser CRM is a single, comprehensive application that is accessible from anywhere. Browser CRM logs incoming and outgoing email against the customer record to build a complete customer history along with other Browser CRM events including Opportunities, Tasks, Appointments, Memos, Documents, and custom events.