From Phoenix Project Management Systems:
Phoenix Project Manager produces solid schedules with ease. The foundation of the system is based on the Critical Path Method (CPM). With PPM, inputting, design and layout are a snap. Phoenix Project Manager supports both Bar Chart (Gannt) and Network Diagram schedule layouts giving you the choice of viewing your project in an informative bar chart layout or an easy-to-read network diagram.
Path Float and Current Dates added to the fields that can be used by filters
Total and Free Float columns added to Predecessor and Successor docking windows
Significantly sped up scheduling
Significantly sped up calendar calculations
Significantly sped up reorganization of Barchart layouts