ASCII Art Maker Alternatives

Full-featured ASCII art and graphic editor and game creation tool

Online diagramming application

Open Source

GEES is an all-in-one AI design platform that is shaping a future where you can brainstorm, design, hand-off in one file — without changing any other tools.

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UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.

Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

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.

JavE (Java Ascii Versatile Editor) is a free Ascii Editor.

OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.

Monodraw allows you to easily create text-based art (like diagrams, layouts, flow charts) and...

StarUML

UMLet - Free UML Tool for Fast UML Diagrams

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

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.

ArgoUML, free and safe download. ArgoUML latest version: Open-source diagramming application for personal computers. ArgoUML is a program that allows users to create complex and professional diagrams.