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.

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
Beginner · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Computational Logic, Theoretical Computer Science, Logical Reasoning, Experimentation, Deductive Reasoning, Artificial Intelligence, Computational Thinking, Mathematics and Mathematical Modeling, Simulations, Computer Science, AI literacy, Psychology, Science and Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Knowledge of Apple Software, Knowledge of Apple Hardware, Network Planning And Design, Wireless Networks, Azure Active Directory, Application Lifecycle Management, Cloud-Based Integration, Configuration Management, Encryption
Intermediate · Course · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Matlab, Engineering Analysis, Mechanical Engineering, Mechanical Design, Mathematical Software, Applied Mathematics, Mechanics, Differential Equations, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Documentation, Technical Writing, Document Management, Technical Communication, Writing, Microsoft Office, Editing, Business Writing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Networking Hardware, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Network Support, File Systems, Linux Administration, Unix Commands, Computer Networking, Unix Shell, Command-Line Interface, Data Storage Technologies, Shell Script
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: AI Orchestration, Agentic Workflows, AI Workflows, Model Context Protocol, LLM Application, Artificial Intelligence, Tool Calling, Agentic systems, Prompt Engineering, Data Integration, Model Evaluation, SQL, Unstructured Data
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Endpoint Security, Infrastructure Security, Security Management, Network Security, Cyber Security Policies, Security Controls, Data Security, Computer Security, Security Strategy, Application Security, IT Infrastructure, Data Integrity
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Organizational Skills, Business Reporting, Small Business Accounting, User Accounts, Billing, Invoicing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Educational Materials, Organizational Skills, Education Software and Technology, Learning Strategies, Digital pedagogy, Test Tools
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Risk Control
Beginner · Course · 1 - 3 Months