This is the XF 2 version of Referral Contest.
Referral Contests allows you not only to create referral contests for your members, but you can also make your board invitation only.
Referral contests are optional and members can use their referral link without contests.
Integrates with DBTech...
Create referral contests (NOT mandatory for referral links to work)
Make your board invitation only (Optional)
Create and manage contests
Create and manage referral tools: banners, text links
View who referred who
View who invited who
This is a 'simple' referral system.
By simple, I mean it allows users' to specify a referrer and have users' that a user referred listed on a page.
A referral link based on username is displayed in a users' personal details edit page, and a referrer field is present on the registration form...