Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

University of Colorado Boulder
Skills you'll gain: Press Releases, Public Relations, Strategic Communication, Communication Planning, Media Relations, Earned Media, Social Media, Target Audience, Content Performance Analysis, Writing, Strategic Decision-Making, Driving engagement, Storytelling, Branding
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Command-Line Interface, Linux Commands, Linux, Embedded Systems, Linux Servers, Computer Engineering, File Systems, Unix, Operating Systems, C (Programming Language), File Management, Memory Management, Computer Programming Tools, Computer Programming, Open Source Technology, OS Process Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, OpenAI, Large Language Modeling, Agentic systems, Hugging Face, Embeddings, AI Integrations, Application Development, Data Processing, Generative AI Agents, Application Frameworks, Memory Management
Intermediate · Course · 3 - 6 Months

Nanjing University
Skills you'll gain: Computer Systems, System Programming, Microarchitecture, Computer Architecture, Computational Logic, Secure Coding, System Software, C (Programming Language), Hardware Architecture, Operating Systems, Data Structures, Data Storage, Memory Management, Application Security, Program Development, File Systems
Mixed · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Digital Advertising, Contextual Advertising, Advertising, Paid media, Advertising Campaigns, Media Buying, Media Planning, Digital Media Strategy, Earned Media, Target Audience, Content Strategy, Data-Driven Marketing, Data Ethics, Business Ethics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud Deployment, IT Automation, Application Lifecycle Management, Software Installation, Dashboard Creation, Network Routing, Memory Management
Intermediate · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microarchitecture, Memory Management, System Programming, Embedded Software, Hardware Architecture, System Software, Embedded Systems, Computer Architecture, Programming Principles, System Configuration, Debugging, Application Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Electronic Hardware, Automation Engineering, Machine Controls, Plant Operations and Management, Computer Hardware, Electrical Wiring, Computational Logic, Control Systems, Automation, Simulation and Simulation Software, TCP/IP, Data Storage, Communication Systems, Applied Mathematics, Memory Management
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Query Languages, AI Integrations, Software Design Patterns, Performance Testing, Application Performance Management, Distributed Computing, Database Management, SQL, Memory Management
Beginner · Course · 1 - 4 Weeks