MailSteward will archive all of your email in a database for easy retrieval, without touching or modifying the email in your email client program. Just click on the Store Email in Database button and MailSteward will go to work storing copies of all your email, both text and HTML versions, and attachments, into a relational database file. You can then retrieve email and attachments from the database by searching on Date, From, To, Subject, Mailbox, or Body text.
Muxic is a minimal user interface to XMMS2. It is inspired by Winamp Classic's windowshade. It is only meant for controlling and monitoring playback, not for managing a media library or even a playlist. To actually play music, it relies on the XMMS2 (the X-platform Music Multiplexing System 2) daemon, and another XMMS2 client must be used to put some music in your playlist. Muxic's keybindings are based on a subset of Winamp Classic's keyboard shortcuts. Muxic announces track changes using Growl.
Lynkeos processes astronomical webcam images. By stacking the best images, the signal to noise ratio is increased, and details lost in the noise of individual images become visible in the resulting image. This software accepts, as input, QuickTime, AVI, and MPEG sequences, or still images, in any image format supported by its active plugins (TIFF, FITS) and Cocoa. It generates a 16-bit RGB TIFF or a monochrome FITS image as output, to be further processed with some all-purpose image processing application.