Refinery is a Ruby on Rails content management system for small business sites where the client needs to be able to update their Web site themselves without being bombarded with anything too complicated. It is truly aimed at the end user, making it easy for them to pick up and make changes themselves.
Graylog2 is an syslog implementation that stores logs in MongoDB. Messages are accepted via TCP or UDP. A Web interface allows you to view the log messages. It also implements GELF, the Graylog Extended Log Format, which is a simple JSON string that allows you to send long and structured syslog messages, which is very useful for customized application log monitoring.
render_inheritable is a Rails 3 plugin that allows one to inherit or override single templates for controller hierarchies. With this gem, a template is searched in the current controller's view folder (as usual). If it is not found there, the template with the same name in the view folder of the superclass controller is used. Finally, views and partials remain DRY.
BitNami Gitorious Stack Native Installer is an easy-to-install distribution of the Gitorious application. It includes pre-configured, ready-to-run versions of Apache and MySQL so users can get a Gitorious installation up and running in minutes after answering a few questions. Windows, Linux, Linux 64, and Mac OS X operating systems are supported. Gitorious provides an Open Source infrastructure for hosting projects which use Git. It also supports projects with wikis, a Web interface for merge requests and code reviews, and activity timelines for projects and developers.