What are some alternatives?
When comparing Machine Learning Weekly and Spell, you can also consider the following products
Amazon Machine Learning - Machine learning made easy for developers of any skill level
Apple Machine Learning Journal - A blog written by Apple engineers
ML5.js - Friendly machine learning for the web
Papers with Code - The latest in machine learning at your fingerprints
Algorithmia - Algorithmia makes applications smarter, by building a community around algorithm development, where state of the art algorithms are always live and accessible to anyone.
Machine Learning Playground - Breathtaking visuals for learning ML techniques.