get.evercontact.comSoftware by Kwaga
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
draw.io - Online diagramming application
Pobuca Connect - Connect with your contacts.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
CRM-gx - Contact Management
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.