Top 11 Open-Source Alternatives to StarUML

Product categories

Brainstorming And Ideation Charting Libraries Development Diagrams Flow Charts And Diagrams Flowcharts Graphic Design Software Haskell JavaScript UML UML Diagrams Wireframing

Summary

The top open-source alternatives to StarUML are draw.io, PlantUML, and Textik. 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
#Diagrams #Flowcharts #Wireframing 714 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
#Flow Charts And Diagrams #Diagrams #UML Diagrams 5 social mentions
Textik Landing Page
3

Textik

Textik is a free ASCII diagrams editor which allows you to create any text-based ASCII diagram.
Pricing:
- Open Source
#Development #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
#Diagrams #Flowcharts #Wireframing 31 social mentions
C3.js Landing Page
5

C3.js

D3-based reusable chart library that enables deeper integration of charts into web applications
Pricing:
- Open Source
#Diagrams #Flowcharts #Charting Libraries 10 social mentions
Mermaid Landing Page
6

Mermaid

Create diagrams and visualizations using text and code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 23 social mentions
Pencil Project Landing Page
7

Pencil Project

Single-user mockup / wireframing / diagramming tool
Pricing:
- Open Source
#Diagrams #Flowcharts #Brainstorming And Ideation 11 social mentions
Flowgorithm Landing Page
8

Flowgorithm

Flowgorithm is one of the alluring flowchart programming languages that come with the capability of simple graphical flowcharting.
Pricing:
- Open Source
#Development #Diagrams #Flowcharts 1 social mentions
TikZiT Landing Page
9

TikZiT

TikZiT is a graphical tool for rapidly creating graphs and string diagrams using PGF/TikZ.
Pricing:
- Open Source
#Diagrams #Flow Charts And Diagrams #Flowcharts 12 social mentions
Diagrams Haskell package Landing Page
10

Diagrams Haskell package

Diagrams is a powerful, flexible, declarative domain-specific language for creating vector...
Pricing:
- Open Source
- Free
#Diagrams #Flowcharts #Haskell 1 social mentions
C4 model Landing Page
11

C4 model

The C4 model for visualising software architecture. Context, Containers, Components, and Code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 15 social mentions