Sertifier - Best way to send smart certificates & open badges!
Product School - The global leader in product management training
Certopus - Design & Deliver verifiable certificates
The Product Folks - A volunteer-led community of product managers and makers
Certificates by Graphy - Certificates by Graphy lets you share beautiful custom certificates to all your learners at once.
Intercom on Product Management - The ultimate resource for aspiring product managers