Top 9 Open-Source Alternatives to UMLGraph

UMLGraph

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

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Product categories

Development Diagrams Flow Charts And Diagrams Flowcharts JavaScript Prototyping UML UML Diagrams Web App Wireframing

Summary

The top open-source alternatives to UMLGraph are draw.io, PlantUML, and Gaphor. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

draw.io Landing Page
1

draw.io

Online diagramming application
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 716 social mentions
PlantUML Landing Page
2

PlantUML

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Pricing:
- Open Source
#Diagrams #UML #Flow Charts And Diagrams 12 social mentions
Gaphor Landing Page
3

Gaphor

Gaphor is a Python-based, open source, multiplatform and multipurpose modeling application for creating nice UML diagrams for documentation.
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 5 social mentions
Gephi Landing Page
4

Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 33 social mentions
Textik Landing Page
5

Textik

Textik is a free ASCII diagrams editor which allows you to create any text-based ASCII diagram.
Pricing:
- Open Source
#Prototyping #Diagrams #Flowcharts 5 social mentions
C3.js Landing Page
6

C3.js

D3-based reusable chart library that enables deeper integration of charts into web applications
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 11 social mentions
Flowgorithm Landing Page
7

Flowgorithm

Flowgorithm is one of the alluring flowchart programming languages that come with the capability of simple graphical flowcharting.
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 2 social mentions
Pencil Project Landing Page
8

Pencil Project

Single-user mockup / wireframing / diagramming tool
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 11 social mentions
Mermaid Landing Page
9

Mermaid

Create diagrams and visualizations using text and code.
Pricing:
- Open Source
#Diagrams #JavaScript #UML 45 social mentions