Diagrams for Mac - A diagram editor for visualizing structures and processes
Creately - The new interface for work to ideate, plan, and execute
The Data Visualisation Catalogue - Reference tool for data visualisation
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.
nivo - nivo provides a rich set of dataviz components
Cacoo - A cloud-based diagram maker for companies, teams, and you.