|Caucus FAQ: Try Out Caucus|
You may download (free) a 30-day trial version of Caucus for your own host server. Caucus supports a wide variety of operating systems, including Windows/NT and most flavors of Unix.
Many different sites and organizations are using Caucus; some of them have public conferences, although it may require a fee to join their service.
You can contact the following organizations for information about their public use of Caucus: