Curated links to real, free courses — no paywalls, no email required to start.
Instructor-led, structured tracks with real quizzes and a verifiable certificate — 6X's own courses, not third-party links.
NumPy, Pandas, Matplotlib, and real data analysis projects, with a verified certificate.
Core JavaScript, ES6, algorithm scripting, and data structures, with a verified certificat...
Search, knowledge, uncertainty, optimization, learning, and neural networks in AI, using P...
Foundational cloud concepts and Google Cloud products, self-paced.
Zero-cost tracks for cloud architecture, data science, and AI fundamentals from IBM.
Project-based full-stack JavaScript curriculum, open source and community-supported.
How to protect yourself and your organization from cyber threats, from Harvard.
Building web applications with the Django framework - models, views, templates, and REST A...
Free, bite-sized daily Chinese lessons with speaking and listening practice — a good every...
Harvard's introduction to computer science and programming - algorithms, data structures,...
Modern web development with React, Node.js, GraphQL, and TypeScript.
Python fundamentals through scientific computing projects, with a verified certificate on...
The official HSK exam site — registration, syllabus, and past papers straight from the tes...
Live 1:1 conversation practice with native Mandarin tutors — the fastest way to turn HSK g...
An industry-recognized networking certification — solid foundation knowledge for anyone wo...
Free, self-paced networking courses from Cisco — covers the fundamentals behind the infras...
A beginner-friendly IT support certificate covering networking, troubleshooting, and custo...
A fully free, project-based curriculum covering web development, JavaScript, Python, and d...
Harvard's legendary intro CS course — algorithms, data structures, and real programming in...
Google's own free Python crash course, built for people who already know some programming...