The following companies have furthered the development of Tapestry by making generous donations of software licenses for their products.
YourKit is kindly supporting open source projects with its full-featured Java Profiler. YourKit, LLC is creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products:
A great IDE for Java and other languages. Intellij IDEA
ZeroTurnaround has provided open source licenses for their JavaRebel product that reloads changes made to Java class files on-the-fly.