Registration (Registration form) with multi-member groups.
Checkout (Checkout) with paid and free completion paths.
Membership check (CheckMember) and login link flow.
Member portal (MemberPortal) and member self-edit (MemberEdit).
Public member list (ConregController::memberList).
Admin-facing
Event list and clone (EventList, EventClone).
Event config, member classes, member types, add-ons, email templates.
Rate plans (PlannedRatePlanListBuilder, AppliedRatePlanListBuilder,
RatePlanForm, RatePlanApplyForm,
RatePlanDeleteForm) for planning member type price changes.
Member admin (AdminMembers) with add/edit/delete/transfer/email.
Check-in, fan table registration, options/add-ons reports.
Badge label printing, opt-in per event (site-building/label-printing.md).
Mailout export and bulk email sender.
Extension-facing
Hook lifecycle events for member add/update/delete.