1. Meta TagsSearch Engine Optimization (SEO) for Ruby on Rails applications.
2. Easy ProfSimple and easy to use Ruby code profiler, which could be used as a Rails plugin.
3. dotfilesConfig files for bash, ruby, gem, etc used by Dmytro Shteflyuk & Alexey Kovyrin
5. codecolorerWordPress plugin which allows you to insert code snippets into the post with nice syntax highlighting.