Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
Qrvey - Embedded Analytics built exclusively for SaaS applications.
draw.io - Online diagramming application
AnswerRocket - AnswerRocket is a search-powered analytics that makes it possible to get answers from business data by asking natural language questions.
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
Syndigo - Syndigo is an online management platform that provides access to the world’s biggest global content database of digital information.