Top 12 Open-Source Alternatives to PlantUML

Product categories

Brainstorming And Ideation Charting Libraries Development Diagrams Flow Charts And Diagrams Flowcharts Haskell Prototyping Software Development Tools UML UML Diagrams Wireframing

Summary

The top open-source alternatives to PlantUML are draw.io, Gephi, and Pencil Project. 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
Gephi Landing Page
2

Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.
Pricing:
- Open Source
#Diagrams #Flowcharts #Wireframing 31 social mentions
Pencil Project Landing Page
3

Pencil Project

Single-user mockup / wireframing / diagramming tool
Pricing:
- Open Source
#Diagrams #Flowcharts #Brainstorming And Ideation 11 social mentions
Mermaid Landing Page
4

Mermaid

Create diagrams and visualizations using text and code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 24 social mentions
asciiflow Landing Page
5

asciiflow

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Pricing:
- Open Source
#Diagrams #Flowcharts #UML 30 social mentions
Textik Landing Page
6

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
nomnoml Landing Page
7

n

nomnoml

nomnoml is a free and open source tool to generate nice looking UML diagrams from simple text definitions.
Pricing:
- Open Source
#Diagrams #Flowcharts #Prototyping 5 social mentions
Kroki Landing Page
8

Kroki

Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom
Pricing:
- Open Source
#Diagrams #Flowcharts #Prototyping 31 social mentions
C4 model Landing Page
9

C4 model

The C4 model for visualising software architecture. Context, Containers, Components, and Code.
Pricing:
- Open Source
#Flow Charts And Diagrams #Diagrams #UML 17 social mentions
C3.js Landing Page
10

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
Diagrams Haskell package Landing Page
11

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
Diagrams Landing Page
12

D

Diagrams

Diagrams lets you draw the cloud system architecture in Python code. It was born for prototyping a new system architecture without any design tools. You can also describe or visualize the existing system architecture as well.
Pricing:
- Open Source
#Diagrams #Flow Charts And Diagrams #Software Development 45 social mentions