YAML Builder This is by far the best layout generator out there, definitely use this if you want to practice CSS.
Templatr- Almost like YAML without the pretty colors.
CSS Creator- This generator will create a fluid or fixed width floated column layout, with up to 3 columns and with header and footer. Values can be specified in either pixels, ems or percentages.
Firdamatic- Firdamatic™ is an online tableless layout generator that allows you to create and customise layouts easily only by completing forms, making creating skins for your Firdamatic-based layout a breeze.
The Generator Form- Allows the creation of easy to create websites right from the click of a button.
Qrone CSS Design Editor- You can easily edit CSS with this design editor by Qrone.com
CSS template generator- This HTML & CSS Style Sheet template generator outputs a full featured 3 column template. Resulting in an instant web page with a customized template that can be used to control the look n feel of an entire site.
HTML PHP CSS Website Template Maker- This PHP – HTML – CSS template generator creates a two column layout with both a header and a footer. This PHP / CSS Style Sheet template generator outputs full featured tableless code i.e. tables are NOT used for the template with the column layout.
CSS rounded box generator- Allows for the creation of rounded CSS boxes.
CSS layout generator- This generator will create a fluid or fixed width column layout, with up to 3 columns and with header, footer and menu. Values can be specified in either pixels or percentages.
WordPress Theme Generator- This online generator creates your own custom unique WordPress Theme. Without any need for HTML, JS, PHP, or CSS knowledge.
Online CSS Optimizer- This tool is used to optimise CSS code. Enter either a URL or Copy & Paste the stylesheet into the box, and click Go. More information on this tool can be found on the about page.
CSS Compressor- Use this utility to compress your CSS to increase loading speed and save on bandwidth as well.
CSS Analyzer- This service has been provided to allow you to check the validity of your CSS against the W3C’s validation service, along with a colour contrast test, and a test to ensure that relevant sizes are specified in relative units of measurement.
Clean CSS CSS formater and optimizer based on CSS tidy.
CSS Tidy- CSSTidy is an opensource CSS parser and optimiser. It is available as executeable file (available for Windows, Linux and OSX) which can be controlled per command line and as PHP script (both with almost the same functionality).
Tabifier- The tabifier is a tool to properly indent computer code. The style it produces is a mix of my personal preferences for indentation plus what he could manage to make a program produce from dirty source.
Lonnie Beast- CSS online formatter, easily format your CSS without any programs.
List-O-Matic- List-o-matic lets you choose the content, layout and presentation of your list-based navigation menus. Just give it a go – it’s child’s play!
Tabs Generator- Creating tabs has never been this easy!
CSS Navigation Generator- This web tool generates the necessary code you need to build up a valid and accessible text based imaged navigation bar with one sprite image, XHTML and CSS.
CSS Menu Generator- CSS Menu Generator will generate both the CSS and the HTML code required to produce a text-based yet appealing set of navigation buttons.
CSS Button Generator- Generate buttons and field text easily.
CSS Play- Huge database of menus.
List-O-Rama- List-O-Rama will allow you to generate nice CSS inline menus in seconds. Just walk through the wizard and insert the text of the links, choose the vertical or horizontal menu, pick the design and click on finish.
Izzy Menu- Choose from dozens ready styles or create your own menu style. IzzyMenu, online menu generator is the best solution for amateurs and professionals!
CSS Buttons- CSS Buttons will allow designers to quickly implement consistently looking, cross-browser, buttons regardless of the element used. CSS Buttons is a plug n’ play solution for Multilingual, CMS, Blogs, and similar web sites faced with dynamic content challenges.
CSS Tab Designer- CSS Tab Designer is a unique and easy to use software to help you design css-based lists and tabs visually and without any programming knowledge required!
CSS Menu Generator- Over 31 designs of CSS menus ready to be picked.
CSS Menu Generator- Easily generates menus for your use.
Listamatic- Nested list options, there are plenty to choose from.
Type Chart- Type chart lets you flip through, preview and compare web typography while retrieving the CSS.
Vertical rhythm calculator- Want to convert pixel values to EM values, this calculator is for you!
Type Tester- It has beautiful layout and a very friendly user interface.
CSS Font and Text Style Wizard- Allows for the easy creation of css font options.
Font Tester- Are you tired of having to refresh the page to view how your font will look like? Font tester to the rescue.
Sky CSS Tool- Online CSS Authoring Tool. «Sky CSS» allows you to create CSS classes almost without using manuscript code.
Clear CSS Generator- You can easily select colors from the palette to preview your future web-project design right now.
Elements- Elements is a down to earth CSS framework. It was built to help designers write CSS faster and more efficient.
Hartija- It attempts to create printer friendly pages.
Sen CSS- SenCSS is a sensible standards CSS Framework. This means that SenCSS tries to supply standard styling for all repetitive parts of your CSS, allowing you to focus on the fun parts. In that sense, senCSS is a bit like a large CSS Reset.
Eswat- Easy to edit grid based layouts.
Emastic- Emastic is a CSS Framework, it’s continuing mission: to explore a strange new world, to seek out new life and new web spaces, to boldly go where no CSS Framework has gone before.
Blue Print CSS- Blueprint is a CSS framework, which aims to cut down on your CSS development time. It gives you a solid CSS foundation to build your project on top of, with an easy-to-use grid, sensible typography, and even a stylesheet for printing.
Clever CSS- CleverCSS is a small markup language for CSS inspired by Python that can be used to build a style sheet in a clean and structured way. In many ways it’s cleaner and more powerful than CSS2 is.
Logic CSS- The Logic CSS framework is a collection of CSS files and a toolset designed to cut development times for web-standards compliant web layouts and templates.
CSS Firefox Extensions
CSS Validator- Validates a page using the W3C CSS Validator. Adds an option to the right-click context menu and to the Tools menu to allow for easy validation of the CSS of the current page.
Grid Fox- GridFox is a Firefox extension that overlays a grid on any website. If you can open it in Firefox, you can put a grid on top of it.
Aardvark- Clean up unwanted banners and surrounding “fluff,” especially prior to printing a page.
FireScope- FireScope is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
CSS Viewer- I love this tool! If you ever go into a website and want to see its CSS properties this tool will allow you to do just that.
CSS Mate- Inline CSS Editing Evolved. Originally a port of the fantastic EditCSS tool that he had been using for many months. He gutted it, made each stylesheet load into a seperate tab.
CSSHttpRequest- CSSHttpRequest is cross-domain AJAX using CSS.
Grid Designer- Creates grids without having to waste time creating them manually.
CSS Text Wrapper- Ever thought about making shapes with text? Then this tool is right for you.
Fixed Width CSS Layouts- Stop wasting time creating your own layouts, instead use one of these.