Fun & Easy way to track time on projects and track time on clients.
Sleek desktop time tracking clock for Windows and MAC.

Online Regular Expression Testing Tool

PunyPNG is a free website optimization tool that dramatically reduces the file size of your images without any loss of quality.

CKEditor is an open source WYSIWYG text editor designed to bring common word processor features directly to web pages, simplifying their content creation. Its core code is written in JavaScript.

Built with typographic standards in mind, Baseline makes it easy to develop a website with a pleasing grid and good typography. Baseline starts with several files to reset the browser’s default behavior, build a basic typographic layout — including style for HTML forms and new HTML 5 elements — and build a simple grid system. Baseline was born to be a quick way to prototype a website and grew up to become a full typographic framework for the web using “real” baseline grid as its foundation.

WikkaWiki is a flexible, standards-compliant and lightweight wiki engine written in PHP, which uses MySQL to store pages.

a PHP Template Engine

Excellent art and design collection

SVG Web is a JavaScript library which provides SVG support on many browsers, including Internet Explorer, Firefox, and Safari. Using the library plus native SVG support you can instantly target ~95% of the existing installed web base.

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments.

Google App Engine lets you run web applications on Google's infrastructure. App Engine applications are easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow. With App Engine, there are no servers to maintain: You just upload your application, and it's ready to serve your users.

There are many ways to make websites run faster. In this section, you can discover performance best practices that real web professionals employ in their everyday work. These practices have improved the user experience for millions of users and we hope they are useful for other web developers.

Open Source CMS / Framework

GetSimple is an XML based, stand-a-alone, fully independant and lite Content Management System.

Open Web Analytics (OWA) is open source web analytics software that you can use to track and analyze how people use your websites and applications. OWA is licensed under GPL and provides website owners and developers with easy ways to add web analytics to their sites using simple Javascript, PHP, or REST based APIs. OWA also comes with built-in support for tracking websites made with popular content management frameworks such as WordPress and MediaWiki.

JpGraph is an Object-Oriented Graph creating library for PHP >= 5.1 The library is completely written in PHP and ready to be used in any PHP scripts (both CGI/APXS/CLI versions of PHP are supported).

QtWeb is a fast, lightweight and portable browser with some unique UI and privacy features. QtWeb is an open source project based on Nokia's Qt framework (former Trolltech) and Apple's WebKit rendering engine (the same as being used in Apple Safari and Google Chrome).

Arora is a lightweight cross-platform web browser. It's free (as in free speech and free beer). Arora runs on Linux, embedded Linux, FreeBSD, Mac OS X, Windows, Haiku, and any other platforms supported by the Qt toolkit.

Object Oriented CSS

JS Bin is a tool for experimenting with web languages. In particular HTML, CSS and JavaScript, but JS Bin also supports other languages too (like Markdown, Jade and Sass).
JS Bin is ultimately a code sharing site.