Ruby on Rails security blog
- A blog about security issues in Ruby on Rails.
- http://www.rorsecurity.info/

Rubycorner.net
- Focused, detailed information on Ruby, Ruby on Rails: forum, announcements, articles, projects, tutorials.
- http://rubycorner.net/

Err the Blog
- Wide variety of Ruby and Rails related topics, said to be from the front.
- http://errtheblog.com/

Riding Rails
- Official Ruby on Rails team group blog; essential for learning of security updates, and overview of full Rails community.
- http://weblog.rubyonrails.org/

TheBlatherskite
- Focus: Ruby on Rails and related technologies: OSs, FreeBSD, Sun, servers, Security, Capistrano, Lighttpd.
- http://www.theblatherskite.com/

Rails on Wave
- Focus: Ruby On Rails, Design, Simplicity, Web 2.0, Ajax and Mac
- http://www.railsonwave.com

Revolution on Rails
- Focus: using Rails to build, improve, maintain the Revolution Health portal; descriptions, tips, screenshots, syntax colored code samples, video, links to downloads.
- http://revolutiononrails.blogspot.com/

Ruby-Coloured Glasses
- Tips, code samples, experiences, attracting women to FOSS groups.
- http://rubyglasses.blogspot.com/

The Rails Way
- Core Rails committers answers user submitted questions about Rails.
- http://www.therailsway.com/

Rails Envy
- A RoR blog by two full-time Rails programmers.
- http://www.railsenvy.com/

Testing Rails
- Devoted to testing in RoR.
- http://blog.testingrails.com/

has_many :through
- By noted Rails programmer and speaker Josh Susser. Includes regular thoughts, tutorials, code snippets, meditations on RoR programming.
- http://blog.hasmanythrough.com/

techno weenie
- By Rails core committer Rick Olson, who is also creator of: Rails Weenie site, Beast forum program, Mephisto blogging program, and many popular plugins.
- http://weblog.techno-weenie.net/

(24)slash7
- Focus: Rails and web design; very useful reading for RoR developers; by Amy Hoy.
- http://www.slash7.com/

RubyCorner
- Focus: Ruby and related technologies and projects. Has directory where blogs are ordered by most recent update. English, Español.
- http://www.rubycorner.com/

Recent Rambles
- Focus: Ruby, Rails, OOP, Perl, software and Web development, life.
- http://www.recentrambles.com/

Rails Studio
- Focus: lean software development for the Web: Rails Web applications (tools, libraries, internals, extensions), Agile project management (requirements development, iterative delivery, modular software design, quality assurance). By Scott Barron, Mark Wind
- http://typo.railsstudio.com/

nano RAILS
- Focus: Rails, Web usability, development, testing, hosting tidbits; articles, code samples.
- http://blog.nanorails.com/

Loud Thinking
- By Rails' original developer, David Heinemeier Hansson.
- http://www.loudthinking.com/

Late to the Party
- Focus: Rails, diverse content, mostly technical.
- http://cwilliams.textdriven.com/articles/category/rails/

Hedley's Technical Journal
- Mostly technical, focus: emerging Web trends and application frameworks, mainly Ruby on Rails, asp.net.
- http://hedleyrobertson.com/

Evan Weaver: Snax
- By software developer and biology researcher; focus: Ruby on Rails, lighttpd, OS X, design issues.
- http://blog.evanweaver.com/