Top 6 Open-Source Alternatives to Pencil Project

Product categories

Brainstorming And Ideation Design Collaboration Design Tools Diagrams Flow Charts And Diagrams Flowcharts Idea Management Office & Productivity Productivity Prototyping UML Wireframing

Summary

The top open-source alternatives to Pencil Project are draw.io, PlantUML, and Wireflow. 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
Wireflow Landing Page
3

Wireflow

Create beautiful flowcharts
Pricing:
- Open Source
#Design Tools #Flowcharts #Prototyping 2 social mentions
Mydraft.cc Landing Page
4

Mydraft.cc

100% free wireframing
Pricing:
- Open Source
#Prototyping #Design Collaboration #Flowcharts 1 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
TiddlyMap Landing Page
6

TiddlyMap

An interactive concept- and mind-mapping plugin for the personal note-taking software TiddlyWiki based on the Vis.js library. It's free and open-source!
Pricing:
- Open Source
#Brainstorming And Ideation #Office & Productivity #Idea Management 2 social mentions