Geek Feminism Wiki

Systers is a mailing list for women in tech hosted by the Anita Borg Institute. From their site,

Systers is the world’s largest email community of women in technical roles in computing. It was founded by Anita Borg in 1987 together with 12 other women as a small electronic mailing list for women in “systems”.

The list moderator is referred to as "her Systers Keeper", and is currently Rose Robinson.