List of freely available programming books

For Mac stuff, since Apple’s Obj-C guide doesn’t deal with Cocoa, what most people work with:<p>Cocoa Fundamentals Guide: <a href="http://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CocoaFundamentals/CocoaFundamentals.pdf" rel="nofollow">http://developer.apple.com/library/mac/documentation/Cocoa/C...</a><p>Become an Xcoder: <a href="http://www.cocoalab.com/BecomeAnXcoder.pdf" rel="nofollow">http://www.cocoalab.com/BecomeAnXcoder.pdf</a><p>Stanford’s iPhone dev class (iTunes video class): <a href="http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=395631522" rel="nofollow">http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcas...</a><p>Cocoa Dev Central (Tutorials that predated Scott Stevenson’s book): <a href="http://cocoadevcentral.com/" rel="nofollow">http://cocoadevcentral.com/</a><p>Cocoa Dev: Wiki Site on Cocoa classes, protocols and other junk: <a href="http://cocoadev.com/" rel="nofollow">http://cocoadev.com/</a><p>And, don’t forget everything else apple makes freely available: <a href="http://developer.apple.com/library/mac/navigation/" rel="nofollow">http://developer.apple.com/library/mac/navigation/</a>

They seem to have omitted Erlang. Awesome, freely available book on the subject:<p><a href="http://learnyousomeerlang.com/" rel="nofollow">http://learnyousomeerlang.com/</a>

This is one of those posts that crops up every month or so. In this case, I think it's deserved. That truly is an incredible resource.

Here's another good Ruby book: 'Learn to Program', by Chris Pine: <a href="http://pine.fm/LearnToProgram/" rel="nofollow">http://pine.fm/LearnToProgram/</a>

There's a follow up being worked on to Foundations of Programming (a book that came up a few times in the list). Though it's listed there as language agnostic, its more targeted at C#/Java devs. Should be out in early Jan.

Is there a collection of Bentley's "Programming Pearls" available online?

Worth doing a Hacker News spreadsheet?