The ATC Arc42 Template for Confluence is our implementation of the Arc42 framework for developing, documenting and communicating software architectures. Arc42 is the invention of Dres. Gernot Starke and Peter Hruschka who generously provide their tool under a Creative Commons license. Find out more about their work on http://www.arc42.org/
ATC is open source software and distributed under an Apache 2.0 license. You'll find the source code and binaries on Github.
For general feedback and inquiries send an e-mail to: opensource@networkedassets.com