Daily UI - Become a better designer in 100 days
LearnUX.io - Video courses for UX/UI Designers
Design Pitfalls - A free email course to avoid n00b designer mistakes
Alpe Audio - Audio courses to master new topics 'on the go'
Knowable.fyi - Audio courses that inspire new abilities
Aprender Gratis - Platform that spread courses, guides, manuals, tutorials and all kinds of resources to learn for free from home.