May 27

With Vvidget Code you can easily build Quick Look plugins and browse your data files using Cover Flow, Icon and List views in the Finder. The picture below shows an icon view of Vvidget documents made by a Quick Look plugin programmed with Vvidget Code.
More information can be found here.
Mar 24
This plugin supports Entourage 2008 email for messages located via spotlight.
Download an installer from here.
Jan 23
Displays previews of QuarkXPress 7 files in Quicklook.
More information:
http://labs.quark.com/projectdetail.aspx?did=14
Dec 30
We are interested to find out exactly which Quick Look plugins our readers would like to see developed. Which plugins would be most helpful in your day-to-day use of OS X 10.5?
Please leave your thoughts in the comments of this post, and we’ll follow up with a “most requested” post soon.
Update: Comments have been closed — thanks for participating! A tally of those most requested will be posted soon.
Dec 20

Wade from Panic sent in:
CandyBar from Panic (www.panic.com/candybar) has a Quick Look plug-in built-in for previewing iContainers.
Note that this plug-in comes as part of CandyBar, which costs $29, with discounts available for previous users.
Dec 06

Quick Look plugin for Adobe® Illustrator®, Adobe® InDesign® & Encapsulated PostScript.
Requires a payment of $5.
More information
Dec 04
This QuickLook generator renders QuickLook previews for certain filetypes using the TextMate syntax highlighter. Currently it’s configured to highlight Perl, PHP, Ruby, Shell, C headers and Obj-C(++) files.
Requires that TextMate be installed and running.
More information
Dec 02

Brainsight QuickLook is a Quick Look generator plugin that allows medical images in the MINC1, MINC2, DICOM, and NIfTI file formats to be previewed in the Finder and other applications.
(It is assumed this requires additional software.)
More information