Pencil Project (โปรแกรมทำ Mock Up ตัวอย่าง App ฟรี) 3.1
Mar 23, 2020·This program is called "Pencil Project" 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.Pencil provides various built-in shapes collection for drawing different types of user interface ranging from desktop to mobile platforms.