Google Groups, GroupSpaces, Fleep, Raklet, Agile CRM, CiviCRM, Bigtent, Zenbership Membership Software, Wild Apricot, ClubExpress, Admidio, Wiggio, GroupAhead, Join It, Tendenci, squadSet, AssociationForce, Membee, MemberKit Software, Memberplanet, Pino Drupal, Yourmembership, Memberize, ppSD2 Membership Software, Unison.io, Members Portal, Maian Lockbox, Hivebeat, Member365, ChamberDesk are some alternatives to TidyHQ.