Pencil Project Pencil is a standalone app or Firefox extension* that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. The Pencil... Free Open Source Mac Windows Linux PortableApps.com Firefox Extensions Prototyping Cliparts Diagrams ... Drawing Firefox Extensions Sketching Wireframing Add a feature 373 Like
mydraft.cc Open source wireframing tool written in typescript, react and redux. Free Open Source Linux Web Self-Hosted Diagrams Flow chart Prototyping Wireframing Add a feature 1 Like
