Top 12 Open-Source Alternatives to SequenceDiagram.org

SequenceDiagram.org

Clean and fast online sequence diagram tool using scripting and Drag and Drop.

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Product categories

Charting Libraries Design Collaboration Design Tools Diagrams Digital Whiteboard Drawing Flow Charts And Diagrams Flowcharts Prototyping UML UML Diagrams Wireframing

Summary

The top open-source alternatives to SequenceDiagram.org are draw.io, PlantUML, and js-sequence-diagrams. 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
js-sequence-diagrams Landing Page
3

js-sequence-diagrams

js-sequence-diagrams turns text into UML sequence diagrams.
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 6 social mentions
C4 model Landing Page
4

C4 model

The C4 model for visualising software architecture. Context, Containers, Components, and Code.
Pricing:
- Open Source
#Diagrams #UML #Flow Charts And Diagrams 30 social mentions
Mermaid Landing Page
5

Mermaid

Create diagrams and visualizations using text and code.
Pricing:
- Open Source
#Diagrams #JavaScript #UML 45 social mentions
Kroki Landing Page
6

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
#Prototyping #Diagrams #Flowcharts 36 social mentions
Excalidraw Landing Page
7

Excalidraw

Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Pricing:
- Open Source
- Freemium
- $7.0 / Monthly
#Wireframing #Game Development #Mockups, Wireframing And Prototyping 241 social mentions
Pencil Project Landing Page
8

Pencil Project

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

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
#Software Development #Diagrams #Flow Charts And Diagrams 48 social mentions
Gephi Landing Page
10

Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.
Pricing:
- Open Source
#Wireframing #Diagrams #Flowcharts 33 social mentions
Wireflow Landing Page
11

Wireflow

Create beautiful flowcharts
Pricing:
- Open Source
#Wireframing #Design Collaboration #Prototyping 3 social mentions
p5.js Landing Page
12

p5.js

JS library for creating graphic and interactive experiences
Pricing:
- Open Source
#Javascript UI Libraries #Flowcharts #Charting Libraries 146 social mentions