[1][2][3] According to Spider Project's publisher, the product provides CPM functions and metrics, and can calculate critical path drag, which tells the user how much each critical path activity delays project completion.

Spider Project Team is a PMI Registered Education Provider.

[1] Though no academic-level report is available with comparison of the resource leveling algorithms of different project management tools, Spider Project has shown the best results among other tools compared in limited tests conducted by members of the professional Planning Planet forum (tests were conducted based on library of Resource-Constrained Project Scheduling Problems (RCPSP), made available by Technical University of Munchen).

During project scheduling Spider automatically selects the actual resource, which will be assigned to activity.

Brick Layer [500%]), Spider supports situation, when user specifies a range (minimum and maximum amount of resources) required for activity.

This includes: Spider Project is available in English, Russian, Romanian and Portuguese and Spanish.

The demo versions provide most program features and have no expiration time, but have a limit of 40 activities (though any number of project phases).