Other than specific projects (although those are welcome as well)...
What tools, books, articles, and other resources should I have at my desk to help me learn Erlang?
Also, are there mobile runtimes for Erlang?
Please point me in the right direction.
Thanks.
Note: yes, I have visited Erlang and Wikipedia, but I'd like to hear some reliable, experienced opinions.
What I can recommend you is not to browse the Wings3d source code.
(I did it and it was a waste of time similar as when I tried to read the Quake2 sources :-p)
I'm a month-or-so into learning and the guides I'm enjoying most are:
I think you can dive into the Getting Started guide straight away and it will certainly give you a feel for functional programming and then concurrency.
If you're in London this June there is the Erlang Factory conference which looks really good.
While I remember, these are two good presentations taking you through Erlang and it's uses:
Finally, you can follow my learning experiences on my blog (joelhughes.co.uk/blog) my step by step adjustment of FizzBuzz from python/ruby/php to Erlang might give you a good flavour (sorry about the shameless self promotion).
I have to say learning Erlang is currently one of my greatest pleasures, there is something very satisfying about it!
I found the best thing to do to learn erlang was reading joe's thesis http://www.sics.se/~joe/thesis/armstrong_thesis_2003.pdf and then writing something I enjoyed, for me it was an iax2 server.
I have the both the Erlang Progamming and the Software for a Concurrent World, both are excellent. I might almost say the Erlang Programming is better, it shows a lot more about using OTP (Erlang libraries), but I was also a little more comfortable with the language when I was reading it, so that's what I was looking for.
The Getting Started with Erlang Guide is also pretty good.
Definitely you should give writing a simple server a try. That's one of the areas where Erlang really shines and there's plenty of documentation and tutorials around message passing and the gen_server module.
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Also, you can run Erlang on ARM based mobile devices (ARMv5+) for sure, you could ask on erlang-questions for other architectures. Check out http://wiki.trapexit.org/index.php/Cross_compiling for the basics of getting started with cross-compiling.
For beginners, the "Learn you some Erlang" guide is supremely awesome. It is as of yet incomplete, but provides a lot even with what little is there.
It also has an RSS so you can be informed when (if?) it is updated.
To answer the question about mobile erlang runtime, there is teeterl http://github.com/maximk/teeterl