Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Sertifier - Best way to send smart certificates & open badges!
HNBuddy - An elegant iOS client for Hacker News ✨
Certificates by Graphy - Certificates by Graphy lets you share beautiful custom certificates to all your learners at once.
Hacker News-cli - Browse Hacker News from your Terminal
Certopus - Design & Deliver verifiable certificates