Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
ARIS Express - ARIS Express is based on the proven ARIS methodology and industry standards.
LuckyCrush - Live random video chat