The most popular blog for Ruby and Rails developers. 16,000 subscribers. Founded May 2006.

Popular community-driven Ruby news site.

Rails link repository. Features an experimental, tag combination interface.

A blog for JRuby developers and users. 500 subscribers. Founded July 2007.

Tips and articles for Mac newbies. Currently a failed experiment, so on hiatus.

Web application process manager and reverse proxy. Filled a big gap in the Rails deployment world until Phusion Passenger came along. Released to the public domain.

The best book from which to learn the Ruby programming language. Currently on its third reprint. Find it at a bookstore near you.

The soon-to-be most popular blog for Rails developers. A work in progress. Launched June 2008.