draw.io - Online diagramming application
BiZZdesign - Enterprise Architecture software that helps organizations dramatically increase the success rate of complex enterprise transformation, strategic investment allocation, and risk management.
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.
leanIX - LeanIX - Our SaaS products enable superior Enterprise Architecture and Cloud Governance for enterprises that need to manage a complex IT landscape. ► Get a free demo now!
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.
ServiceNow Project Portfolio Management - ServiceNow is an all-in-one IT solution that provides a range of pre-built ITSM products to automate and manage almost all IT enterprise services.