TaskManager with the ability to build flowcharts, UML diagrams?

Question

block diagram

Does such a thing exist in nature? Need a Task Manager with the ability to build different BS or UML diagrams

Answer 1

No, of course, who will cross an egg with a tractor?

Answer 2

MS Project + MS Visio,

Answer 3

Visual Paradigm
has almost any diagrams and a task manager, even a spirnt manager.

Answer 4

Did you end up finding something interesting in three years?
casual.pm is what I like.