Description: MockFlow is a wireframing and prototyping tool used to design and plan websites and mobile apps. It allows users to quickly create wireframes, prototypes, UI mockups, and diagrams.
Type: software
Description: Pencil Project is a free and open source GUI prototyping and mockup tool. It allows users to create wireframes and prototypes for software interfaces and websites quickly and easily, without programming knowledge.
Type: software
Pricing: Open Source