DeepLearning.AI
UnverifiedFreemium
Andrew Ng's AI education platform, with many free short courses on prompting, RAG and agents.
Best for: Developers, AI beginners, Professionals
Learn AIBuild AI apps
AI Learning Resources
Free courses, tutorials, prompt guides and open textbooks to learn AI properly.· 7 tools
AI AssistantsContent CreationOffice & ProductivityLearning & EducationAI Learning ResourcesAI AgentsImage & DesignVideo & Short DramaAI AvatarsMusic & VoiceCoding & DevelopmentResearch & DataBusiness & EnterpriseAutomation & IntegrationTrending Open-Source AI
tools
Hugging Face Learn
UnverifiedFree
Hugging Face's free official courses on LLMs, agents, diffusion and more.
Best for: Developers, Researchers
Learn AIBuild AI apps
Google AI Essentials
UnverifiedPaid
Google's beginner-friendly workplace AI certificate course.
Best for: AI beginners, Professionals
OpenAI Academy
May be limited in HKFree
OpenAI's free learning hub for ChatGPT skills, education and workplace AI.
Best for: AI beginners, Teachers, Professionals
Prompt Engineering Guide
UnverifiedFree
An open-source guide to prompt and context engineering, available in Chinese.
Open sourcedair-ai/Prompt-Engineering-Guide80,039 Stars
Best for: AI beginners, Developers, Professionals
AI Agents for Beginners
Available in HKFree
Microsoft's open-source, 18-lesson course on building AI agents.
Open sourcemicrosoft/ai-agents-for-beginners79,582 Stars
Best for: Developers, AI beginners, Students
Learn AIAI agents
Hello-Agents
Available in HKFree
Datawhale's open-source Chinese tutorial on building agents from scratch.
Open sourcedatawhalechina/hello-agents86,954 Stars
Best for: Developers, Students
Learn AIAI agents