Racket/Scheme

• The DrRacket website - you can download DrRacket from here; all of the documentation and other support is available from this site, too.

Java

• The Java section of CodingBat -- a great, browser-based method of getting comfortable with Java's craziness.
• Downloading the Java SDK
• The "intro to the Java language" tutorial
• The "intro to object-oriented concepts" tutorial
• A useful favorite java syntax reference
• Wikipedia's Java syntax reference
• Java 6 API all of Java's library functions!

Prolog

• Prolog WikiPedia Entry
• SWI prolog (download and resources)
• Prolog Operators
• A Prolog tutorial - try it out!
• Learn Prolog Now! (on-line book ~ chapter 1)

Other References

• A fairly complete (!) Scheme quick-reference card
• PLT DrScheme: Programming Environment Manual
• Scheme's wikipedia entry
• Scheme Manual (html, journal version)
• The text "How to Design Programs" (an tutorial overivew of Scheme)
• On-line Scheme interpreter (a Java applet)
• Schemers.org (all things Scheme)
• The Structure and Interpretation of Computer Programs (venerable text)

CS 60 references we no longer use but are too sentimental to delete!

• rex, the "king" of languages!
• UNIX Basics
• Emacs Editor Quick Guide
• Emacs Key Command Summary

Accessing knuth.cs.hmc.edu remotely

• (easy, but console-only support) Download putty here (a secure shell for Windows)