The Spread Toolkit is developed by Spread Concepts LLC.

Spread also benefits from an active group of users, developers and researchers from around the world, including the Distributed Systems and Networks lab (DSN) at Johns Hopkins University.

Spread Creators
Yair Amir - yairamir at cs.jhu.edu
Michal Miskin-Amir - michal at spreadconcepts.com
Jonathan Stanton - jonathan at spreadconcepts.com
John Schultz - jschultz at spreadconcepts.com

Major Contributors
Amy Babay - Accelerated Ring protocol.
Ryan Caudy - contribution to process groups.
Claudiu Danilov - scalable wide-area support.
Cristina Nita-Rotaru - group communication security.
Theo Schlossnagle - Perl, autoconf, old skiplist.
Dan Schoenblum - Java interface.

Contributors
Juan Altmayer Pizzorno - performance and portability
Jacob Green - Windows support
Ben Laurie - FreeBSD port and warning fixes
Daniel Rall - Java & networking fixes, configuration improvements
Marc Zyngier - Windows fixes

Special Thanks
Special thanks to the following for discussions and ideas:
Ken Birman, Danny Dolev, Mike Goodrich, Michael Melliar-Smith, Louise Moser, David Shaw, Gene Tsudik, Robbert VanRenesse.

Funding
Funding is provided by Spread Concepts LLC.
Partial funding for Spread research was provided by the Defense Advanced Research Projects Agency (DARPA) and The National Security Agency (2000-2004). The Spread toolkit is not necessarily endorsed by DARPA or the NSA.

For additional contributions to each Spread version, please look at the Spread Releases pages.