The following tools and toolsets are available free of charge via the World
Wide Web. Further information about the tools and their distribution policies
can be found at the toolsets' respective web sites.
AcmeLib is a library of reusable classes for representing and manipulating
Acme designs. Both a Java and C++ version of the library are currently
available via http://www.cs.cmu.edu/~acme/acme_downloads.html