Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Signavio - The Signavio Process Editor was created in order to be very intuitive and easy to use.
Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
SYDLE Seed - SYDLE BPM is a 100% web BPMS that provides agility in construction and ease in managing your processes. Try it for FREE!
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
Bizagi - Bizagi is a Business Process Management (BPMS) solution for faster and flexible process automation. It's powerful yet intuitive BPM Suite is designed to make your business more agile.