PLT has a very neat API for writing card games.
Here are some examples of what you can do with it:
Author: grant
PLT has got games
If you ever feel like you want to take a break from programming and play some games, PLT Scheme comes with some games for you!
PLT has got the Turtle
If you’re feeling nostalgic or playful, PLT has got Turtle Graphics.
Updated: Code Generation and DSLs in Scheme
See here
The Little Books in Oz
This post talks about the rationale for creating and the benefit of reading his translations of the “Little Books” from Scheme, ML, and Java to Oz.
Updated: ypsilon
See here.
The Circle is Complete
Updated: Enhanced Emacs Support for Editing and Running Scheme Code
See here.
TradeMaximizer
TradeMaximizer supports multi-party trades in which each party offers up items for trade, and selects items that they wish to receive. The system then finds the largest set of items that can be traded simultaneously.
Read about how you might apply it.