evolus/pencil

The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.

379 best points · 87 comments · 3 Hacker News posts · 9,896 GitHub stars · View on GitHub

Hacker News discussions

• Pencil – an open-source GUI prototyping tool for all platforms (379 points, 87 comments, by PleaseHelpMe, 2017-06-25)
• Evolus Pencil v3 (5 points, 0 comments, by adamveld12, 2016-06-14)
• Pencil 4.0 (4 points, 0 comments, by pentagrama, 2026-10-24)