AppSumo deal on HelpShelf
Source
Source
Lifetime access to HepShelf's Professional Plan
Even though this deal is lifetime, you must redeem your code by March 1, 2019
5 sites
10 sources
5,000 Monthly Tracked Users
6 months data history
Analytics & Reporting
All future updates to the Professional Plan
Get a second code to double plan's limits & remove branding
Max 2 codes per account
60-day money back guarantee. No matter the reason.