Aptana Studio 2
By AptanaThe world's leading IDE for building open web applications
Why are Web developers world-wide choosing Aptana Studio? They've discovered that Aptana Studio offers unprecedented support for web app development combined with today's popular Web platforms. Download Studio as standalone tool or plug it into Eclipse to see for yourself. It's your choice.
Studio is Aptana's free, open source Ajax development environment. With over a million downloads, developers all over the world are discovering why Aptana Studio is the leading choice of web professionals everywhere. Studio offers free plugins for PHP, Ruby on Rails, Adobe AIR, and even Apple iPhone development.