Smart Diploma - Blockchain verification platform for Diplomas & Certificates
Certificates by Graphy - Certificates by Graphy lets you share beautiful custom certificates to all your learners at once.
Certificado - Issue blockchain-powered certificates for any type of data
Bitproof - True certification in the bitcoin blockchain
CertifyMe - Your trusted credential platform
0xcert - Your ID, degree or house. 0xcert-ified on the blockchain