Project Management Software Techniques How Do You Feel About Network Diagrams, Critical Path Analysis , Gantt Chart,critical Chain,?

How do you feel about network diagrams, critical path analysis , gantt chart,critical chain,? - project management software techniques

How do you network diagrams, critical path analysis, a Gantt chart, Critical Chain,? How do you feel about the use of software project management and management problems in the management of that time involved in the projects?
Are you familiar with the techniques of project management at this time?