Origami Editor 3D is an advanced paper folding simulator. It uses a what-you-see-is-what-you-get interface and operates with a geometric abstraction of the Yoshizawa-Randlett system. Anything from a simple airplane to John Montroll's omega star can be folded in this editor.
Origami files created with the program preserve the entire folding process, and they can be exported as folding diagrams in PDF, animated GIF files, or even as standalone Java programs displaying the origami in a 3D...
Practice your English (or any other language) with your favorite songs
Introduce any song from your computer and the lyrics and practice your English (or any other language), filling in the suggested gaps. An embedded dictionary will help you understand every word. It's funny!