API Design Courses
JSConf via YouTube How to Break an API - How Community Values Influence Practices
JSConf via YouTube HapiDay Oakland 2014 - Hapi 8.0
JSConf via YouTube Parallel JavaScript
JSConf via YouTube Getting Serious with Web Video
JSConf via YouTube The Extensible Web - JavaScript All the Way Down
JSConf via YouTube The Front-end Takeover
JSConf via YouTube PIMP Your JS Library - Designing Non-Shit APIs with JavaScript
JSConf via YouTube 5 Years of Building React Table
React Conferences by GitNation via YouTube Goa - A New Approach to Microservice Development in Go
Gopher Academy via YouTube