ActiveCollab

ActiveCollab is a Project Management System and is packed full of features that can be customized to suit your project, company, or organizations needs. The basis of these features is focused on tracking all entities a project of any type might entail. This includes everything from time tracking, ticket creation, scheduling, invoicing, discussion boards, and more. ActiveCollab is a licensed product with two versions available, a "Small Biz" and a "Corporate" version.

Even though ActiveCollab is a licensed product, they still provide full source code. This software is able to be styled, with some limitations, but the level of customization should not be thought of as too limited. The general layout of the user interface is pleasing to the eyes and traversing through the features is very intuitive. Careful consideration needs to go into the initial configuration and structure, but this should be a requirement for any system.

The feature list for ActiveCollab is very large and their website does a good job of providing a quick summary of each item:
ActiveCollab Features

This is a preferred software for any size company and provides unlimited user and project creation. For a system to be fully leveraged by a company, taking added cost per user or project out of the equation allows the company to use it without restriction. Efficiency efforts can be focused on other aspects of the company day to day functions and the project management system can be tool used whenever needed and without limitation.

If you're looking for an all inclusive software that can do everything related to a project of any type and will notify you of actions based on settings you configure, this is the one to go with. When properly utilized, better collaboration between employees with fewer inter-office emails and phone calls can take place as well as collecting better documented actions and notes on a per task or goal basis.

In addition to internal functions, permissions can also be set for outside users ranging from fully public, to limiting projects and individual items within projects to clients. This system can be a fully integrated company tool as well as a front facing client interface where you control how much your clients get to see.