Taker - Take your restaurant online
Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
VuFind - VuFind is a library resource portal designed and developed for libraries by libraries.
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Blacklight - Blacklight is a free and open source ruby-on-rails based discovery interface (a.k.a.
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.