RPG-Captains is a Yahoo e-mail group where sim hosts can discuss topics and issues of relevance to their game or organization. While the Yahoo group remains open, the bulk of its activity occurred between 2003 and 2006, and it has not seen significant posting in over two years.
Membership in the group is free. During its heyday, members were noted for being welcoming and open. Several members praised RPG-Captains for the help and ideas garnered from the group. The majority of members were from Trek-based groups, and while established with Trek-based groups in mind, RPG-Captains included individuals from non-Trek groups.