Dia is an alternative solution (free) of visio (non-free).
Screen shots:
Workspace Main Window
Fedora instalation : sudo yum install dia
Ubuntu instalation : sudo apt-get install dia
Dia is an alternative solution (free) of visio (non-free).
Screen shots:
Workspace Main Window
Fedora instalation : sudo yum install dia
Ubuntu instalation : sudo apt-get install dia