Pencil : An open-source GUI prototyping tool
Pencil is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.
- Easy GUI Prototyping
- Built-in Shape Collections
- Diagram Drawing Support
- Exporting to Different Output Formats
- Easily Find Cliparts from the Internet
- Inter-page linking