Probably guilty of a few of those here, but a useful reminder of things to check before launching.
Simple to set up and super-customizable, Type & Grids is a responsive HTML5 template with nice typography.
"Rad because it supports IE8+ and multi-touch."
Packery layouts can be intelligently ordered or organically wild. Elements can be stamped in place, fit in an ideal spot, or dragged around.
jQuery is all like "You images done yet or what?"
An improved, extended and crossbrowser replacement for standard .load() function, by Dave Desandro.
...and static site generation tool for designers and developers
You may use these icons for both commercial and personal projects and customize them any way you like.
Look - there's a rainbow in there and everything. Never seen a weatherman predict a rainbow, but it's in there if he does...
Paperkit offers designers free, custom paper templates in grid, dotted and lined formats. Simply adjust the settings and save as PDF.
Layered PSD files. Includes all solid colours that American Apparel currently offers in their Fine Jersey Short Sleeve T-Shirt with realistic highlights and shadows, and removable tags. Each package includes 5 separate files. $20 to buy.
Move your mouse around the screen to choose a colour, click to add it to the palette. Brilliantly simple and effective.
Collect and organize websites, pictures, text, notes, files.
Might be handy if you don't have PS to hand.
A fairly comprehensive collection of developer cheat sheets.
A site that teaches you the CSS fundamentals of laying out your site.
The Public Domain Review is a not-for-profit project showcasing the most interesting and unusual out-of-copyright works available online. Some really beautiful graphic artwork here - a potential gold mine for research materials.
Generate email configuration links for iPhone and other iOS devices.
Setup a stack in seconds, code in the browser or via SSH.
Apps, Tools, and Resources creative professionals to improve Productivity & Creativity. (Featuring Nylllon of course).
Music fingerprinting for everyone.
Koken is a free system designed for photographers, designers, and creative DIYs to publish independent web sites of their work.
The trashman examines your site's live DOM and reverse engineers a new, more elegant definition that captures styles down to the pixel.
Forget VMs, screenshot services, or dedicated testing computers. BrowserTap works by broadcasting a live RTMP stream of a browser window on a cloud server.
Dbpatterns is a service that allows you to create, share, explore database models on the web. And also you can fork already created database models.
Never sure about these things, mainly because I'm not so certain about this heavy reliance on JS only Apps. Well documented effort though.
Catches and displays your PHP errors with full stack trace and syntax highlighting in your browser.
'Anchor is a content management system, written in PHP5, built for art-directed posts' And it's free. Which is nice.
xip.io is a magic domain name that provides wildcard DNS for any IP address. Useful for testing local development sites on your iPads, iPhones, and other computers.
I've been using this for around 8 months. It's one of those apps you wonder how you managed without it. It's keyboard-based note-taking, with search and integration with Simplenote. It's a fork of Notational Velocity.
No invite yet, but from what I see from their blog (http://blog.koding.com) Koding seems to offer all kinds of collaboration-coding tools via your web browser (for free). Version control springs to mind, as does my code trusted to the "cloud".
JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality.
App that allows you define your common activities (such as 'design' or 'invoicing') and open/close applications, control chat status etc.
A beautiful Wikipedia reader for your iPhone and iPad that visualizes the connections between articles.
Audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo! Also has ZRTP encryption (great for would-be terrorists), and is multi-platform (Java).