Fork on Github
You can also find a lot of useful information at Scrapy Wiki or looking for the Scrapy Snipplr tag.
Documentation for development branch
Or you can find even older releases and docs here:
Don't forget to check the Contributing Guidelines and the Development Documentation online.
For specific information you can check
The Module Index
Via IRC Channel, StackOverflow or mailing list.
Maintained by Scrapinghub and many other contributors