a open source tool and free web service that lets you map your flights around the world, search and filter them in all sorts of interesting ways, calculate statistics automatically, and share your flights and trips with friends and the entire world (if you wish).
online, in-browser tools for schematic capture and circuit simulation. These tools allow students, hobbyists, and professional engineers to design and analyze analog and digital systems before ever building a prototype. Online schematic capture lets hobbyists easily share and discuss their designs, while online circuit simulation allows for quick design iteration and accelerated learning about electronics.
Build a Feed You Can Cut 'n Paste, will help you format a feed's display with the information you want to use on your web site. All you need to enter is the URL for the RSS source.
a free source code editor which supports several programming languages running under the MS Windows environment. based on Scintilla edit component (a very powerful editor component)
as simple as possible, but no simpler, it lets you open an HTML page (or pages, in succession) in a dialog box, mess around with it, then check for any elements that were leaked.
a development tool to help programmers adheres to a coding standard. It automates the process of checking code to spare humans of this boring (but important) task.
allows you to create a chat community and talk to people who are currently reading the same web page as you are. Just add gabbly.com/ before the site's url. For example gabbly.com/cnn.com (IE not supported)
a free MicroContent WikiWikiWeb created by JeremyRuston and a busy Community of independent developers. It's written in HTML, CSS and JavaScript to run on any modern browser without needing any ServerSide logic.