pencil
Free, open-source tool for making diagrams and GUI prototyping.
What is pencil?
Free, open-source tool for making diagrams and GUI prototyping.
Software Details
- Platform
- macOS
- Pricing
- Open Source
- Official Website
- pencil.evolus.vn/
Overview
Free, open-source tool for making diagrams and GUI prototyping.
pencil runs on macOS and is listed on Nuanyue in the design category.
Links
Sources
Information on this page is verified against the following official sources and last reviewed on October 2, 2026.