The best way to manage Ruby applications

Shortcut Recorder is a free Cocoa control for easily capturing key combinations.

Code Snippet Manager for Mac OS X

Nice code themes for Coda.

flickrSLiDR allows you to easily embed the classic flickr slideshows on your website or blog. All you need to do is enter the flickr URL address of the user, photo set or group you would like to embed along with some options. You'll receive the HTML embed code in return.

Source control basics with Git for designers.

The AJAX Libraries API takes the pain out of developing mashups in JavaScript while using a collection of libraries. We take the pain out of hosting the libraries, correctly setting cache headers, staying up to date with the most recent bug fixes, etc.

Snipplr is a public source code repository that gives you a place to store and organize all the little pieces of code that you use each day. Best of all, it lets you share your code snippets with other coders and designers.

Pylons combines the very best ideas from the worlds of Ruby, Python and Perl, providing a structured but extremely flexible Python web framework

"The power of TextMate on Windows" is the claim, if true this could be a great piece of software. Looks like it supports Textmate bundles.