
Microsoft Visio
draw.io
LucidChart
yEd
Dia
PlantUML
Creately
OmniGraffle
Nullstack
Deno
Microsoft Visio
Nullstackdraw.io - Online diagramming application
Deno - A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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.
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.
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.