Chart Mage

Generate sequence diagrams and flowcharts at lightning speed.

20 Alternatives To Chart Mage

Code2Flow

An easy solution to create product flows.
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CodePen

A front end web development playground.
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Diagrammix

Tool for efficiently building attractive diagrams.
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DotEditor

A graphical editor for dot files for use with GraphViz to generate diagrams.

Elm bot lines

Convert ASCII to SVG diagrams
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Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.

Graphviz

Graphviz is open source graph visualization software. It has several main graph layout programs.

Ipe

Ipe is a drawing editor for creating figures in PDF or (encapsulated) Postscript format.

LaTeXDraw

LaTeXDraw is a graphical drawing editor for LaTeX.
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PGF and TikZ

PGF/TikZ is a tandem of languages for producing vector graphics from a geometric/algebraic…

PlantText

PlantText is an online tool that quickly generates images from text. Primarily, it is used to generate UML (Unified Modeling Language) diagrams. It is based on a text language called PlantUML.

PlantUML

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

UMLet - Free UML Tool for Fast UML Diagrams

codepad

Very simple webpage with a simple textbox, a checkbox for selecting one of several languages and an…

diagrams

Diagrams is a powerful, flexible, declarative domain-specific language for creating vector…

xfig

Xfig is a free and open source vector graphics editor which runs under the X Window System on most…