Frontend Toolkit - Dashboard for your recurring Frontend tasks
TryMason.com - Make front-end features, faster
Approve app for Zendesk - Any enforceable and auditable approval workflow for Zendesk tickets you can imagine can be easily created using the Approve app.
Front-End Checklist - The perfect Front-End Checklist for modern websites 🗂
Asodesk - One solution to grow your app business
Front-End Developer Handbook 2017 - Learn about the practice of front-end development