Lapini.com

<graphgear width=500,height=500,label=“My first Graph”>

node1 [label="My first node", fillcolor="lightblue"]
node2 [label="My second node"]
node3 [label="Relate to node2"]

node1 -> node2 [label="An edge from node1 to node2", fontcolor="red"]
node2 -> node3 [label="Dal node2 al node3"]

</graphgear>