soapUI, is the world leading Open Source Functional Testing tool for Web Service Testing. It supports multiple protocols such as SOAP, REST, HTTP, JMS, AMF and JDBC. soapUI is from eviware, the Open Source TestWare Company.
Eclipse HTTP Client (HTTP4e) is an Eclipse plugin for making HTTP and RESTful calls. Build with user experience in mind, it simplifies the developer/QA job of testing Web Services, REST, JSON and HTTP. It is a useful tool for your daily job of HTTP header tampering and hacking.
The RAP project enables developers to build rich, Ajax-enabled Web applications by using the Eclipse development model, plug-ins with the well known Eclipse workbench extenstion points, JFace, and a widget toolkit with SWT API.
Calculates various metrics for projects, packages and compilation units. Includes both simple counts like lines of code as well as more complex metrics such as the McCabe cyclomatic complexity.
The Aptana IDE is a free, open-source, cross-platform, JavaScript-focused development environment for building Ajax applications. It features code assist on JavaScript, HTML, CSS, FTP/SFTP support and a JavaScript debugger.
T. Omori, and K. Maruyama. MSR '08: Proceedings of the 2008 international workshop on Mining software repositories, page 31--34. New York, NY, USA, ACM, (May 2008)