This is a github fork of jimfmunro's clone repo for the original django-invitation authored by John-Scott Atlakson which is, itself, a modified version of David Larlet's django-invitation.
Description from Bitbucket:
Building on David Larlet's foundation, but removing the dependency on django-registration. django-invitation already verifies the email address of the invitee by virtue of their response to the invite and can therefore register directly, eliminating the redundant django-registration confirmation step.