For a really simple example, you could try a Todo app. For example, this site does the same thing for a number of JS frameworks: https://github.com/addyosmani/

For a really simple example, you could try a Todo app. For example, this site does the same thing for a number of JS frameworks: https://github.com/addyosmani/todomvc https://github.com/addyosmani/todomvc For something more complex, you could try to simulate a mail client (mail user agent). You probably don't need to make it fully functional, just simulate the email layer. If you do this, you are just obeying Zawinski's Law! (http://en.wikipedia.org/wiki/Jamie_Zawinski#Zawinski.27s_law_of_software_envelopment http://en.wikipedia.org/wiki/Jamie_Zawinski#Zawinski.27s_law...) See what UkiJS does here for a browser example: http://ukijs.org/mail/index.html http://ukijs.org/mail/index.html In general, check out RosettaCode to see how to do the same thing in different languages.