Employee Scheduler is designed to pick the most efficient schedule, given a matrix of the number of employees per hour per weekday. It has a number of variables to work with in order to tweak the output, such as the number of full-time/part-time employees, at which hours they can start working, what kinds of shifts the program picks, etc.
@Mail Groupware combines the ability to share address books, calendar items, and tasks among groups of users with optional permission levels. It provides a complete Web- based groupware system for users within your organization and provides an Outlook 2003/2000 to Web synchronization utility for Contacts and Calendar data.
Infonomix is a project management system similar to Trac, written in PHP and using XSLT. It is designed more for professional services tasks, like graphic design and Web development. It also keeps track of time using a time clock system, and time can be assigned to tasks, projects, or clients.
Kiwi Manager is an online project management application. Its features include an AJAX interface, Gantt and PERT charts, progress and financial reports, earned value analysis of project performance, resource calendars, role based user access control, RSS syndication of project activities, project based file repositories with integrated approval and versioning systems, image thumbnail generation, video, Flash, and PDF previews, time tracking, project based forums and help desks, task calendars, and more.