Top 6 Open-Source Alternatives to Gleek.io

Gleek.io

Using gleek.io you can quickly map out systems using easy-to-understand syntax, without the need to drag and drop. Give gleek.io a spin and leave cumbersome mouse-clicking behind.

The top open-source alternatives to Gleek.io are draw.io, PlantUML, and 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
#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
Diagrams Landing Page
3

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
Pencil Project Landing Page
4

Pencil Project

Single-user mockup / wireframing / diagramming tool
Pricing:
- Open Source
#Diagrams #Flowcharts #Brainstorming And Ideation 11 social mentions
Gephi Landing Page
5

Gephi

Gephi is an open-source software for visualizing and analyzing large networks graphs.
Pricing:
- Open Source
#Diagrams #Flowcharts #Wireframing 31 social mentions
Mind-Elixir Landing Page
6

Mind-Elixir

Mind-elixir is a framework agnostic mind map core
Pricing:
- Open Source
#Productivity #Project Management #Flowcharts