Top 7 Open-Source Alternatives to Pencil Project

Pencil Project

Single-user mockup / wireframing / diagramming tool

As Pencil Project is an open source project, you can find more open source alternatives and stats on LibHunt.

11 mentions

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Pricing:

Open Source

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Product categories

CMS Design Collaboration Design Tools Diagrams Flow Charts And Diagrams Flowcharts Prototyping UML UML Diagrams User Experience Web App Wireframing

Summary

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

Penpot

Design freedom for teams
Pricing:
- Open Source
#Web App #Design Tools #User Experience 107 social mentions
PlantUML Landing Page
3

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
4

Wireflow

Create beautiful flowcharts
Pricing:
- Open Source
#Flowcharts #Design Tools #Wireframing 2 social mentions
Mydraft.cc Landing Page
5

Mydraft.cc

100% free wireframing
Pricing:
- Open Source
#Prototyping #Design Collaboration #Wireframing 1 social mentions
mockingbird Landing Page
6

mockingbird

Mockingbird helps you you create and share clickable wireframes. Use it to make mockups of your website or application in minutes.
Pricing:
- Open Source
#Prototyping #Flowcharts #Diagrams
asciiflow Landing Page
7

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