Jarallax is an open-source javascript library which makes adjusting css based on interaction easy. With Jarallax it's easy to create a parallax scrolling website.
Downloadify is a tiny JavaScript + Flash library that enables the generation and saving of files on the fly, in the browser, without server interaction.
"Tired of querying in antiquated SQL?
Well, you don't have to! LINQPad lets you interactively query databases in a modern query language: LINQ. Kiss goodbye to SQL Management Studio!
LINQPad supports everything in C# 3.0 and Framework 3.5, and more:
* LINQ to Objects
* LINQ to SQL and Entity Framework
* LINQ to XML
* WCF Data Services & SQL Azure
* LINQ to SQLite and MySQL Enterprise Server
* Mindscape LightSpeed ORM
* (Even old-fashioned SQL!)"
loadUI is a free and open source cross-platform Load Testing solution. With a visual, drag-and-drop interface, it allows you to create, configure and redistribute your Load Tests interactively and in real-time.
Joyride is extremely flexible and lets you take control of how people interact with your tour. We programmed it to be cross-browser compatible with modern browsers and even used some fancy CSS to avoid images. Now let's see just how easy it is to take your first ride without getting the fuzz involved.
Tangle is a JavaScript library for creating reactive documents. Your readers can interactively explore possibilities, play with parameters, and see the document update immediately. Tangle is super-simple and easy to learn.