I use the hosted version of websequencediagrams.com for sequence diagrams and that works out very well. I know that sequence diagrams are a very small part of U

I use the hosted version of websequencediagrams.com for sequence diagrams and that works out very well. I know that sequence diagrams are a very small part of UML but I find that they have an extraordinary effect on clarifying a system's design without too much effort.