Double Shot #420
Anyone looking for some consulting work in the second half of April? My dance card may have an opening.
Authlogic 2.0 with some OpenID goodness - A major new Autologic release. This has certainly become one of the standards for authentication in Rails.
OAuth Explained and What It Is Good For - A primer from John Nunemaker.
2009 Rubyist's guide to a Mac OS X development environment - Quick setup advice from Dan Croak, with an emphasis on getting stuff done rather than building stuff from scratch.