rb.log is a full-featured weblogger written in Ruby. It features file uploads, comments, blog- rolling, side-bar editing, bookmarklets, the Blogger API, searching, RSS syndication, and archives. It also performs well on slower machines by regenerating static pages after posts are made.
FormValidator is a Ruby port of Perl's Data::FormValidator library. It makes it easy to validate data coming in from HTML forms by providing a robust set of methods to handle required fields, dependent fields, filtering, constraints, tainting, and defaults. Its modular design allows you to easily add your own filters and constraints and also lets you to keep validation data outside of your CGI scripts.
The lptools suite provides a complete, programming-language independent, literate programming environment. The suite targets XML documentation, but the underlying system has no bias that would disadvantage other documentation languages. It also includes a programmable build tool (a replacement for 'make') that can handle very complex and dynamic dependency graphs.
GraphicsMagick is a robust collection of tools and libraries which support reading, writing, and manipulating an image in over 90 major formats including popular formats like DPX, DICOM, BMP, GIF, JPEG, JPEG-2000, PDF, PNG, PNM, SVG, and TIFF. A high-quality 2D renderer is included, which provides a subset of SVG capabilities. C, C++, Perl, Tcl, and Ruby are supported. Originally based on ImageMagick, GraphicsMagick focuses on performance, minimizing bugs, and providing stable APIs and ABIs. It runs on all modern variants of Unix, Windows, and Mac OS X.
rit can be used to manipulate mailboxes over IMAP, allowing users to copy and delete mailboxes and their contents. When copying a mailbox, its subscription status and all of the IMAP flags of the messages it contains are preserved on the destination server. Dynamic mailbox name translation can be performed if the mailboxes need to be renamed as they are copied.