. . .
This documentation is for release 0.9.0 (from 03/2012), which is built against Scala 2.9.1 and Akka 1.3.1 (see Requirements for more information). Most likely, this is not the place you want to look for information. Please turn to the main spray site at http://spray.io for more information about other available versions.
. . .
The following companies and organisations have kindly agreed to supply the spray development team with free open-source licenses of their excellent development tools:
We use IntelliJ IDEA Ultimate as the Scala IDE of our choice.
YourKit is kindly supporting open source projects with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products: YourKit Java Profiler and YourKit .NET Profiler.