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: Red Hat Enterprise Linux, Package and Software Management, Network Administration, Servers, Hardening, Cloud Deployment, Computing Platforms, Security Software, Application Servers, File Systems, Microsoft Azure
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Text Mining, Unstructured Data, Health Informatics, Natural Language Processing, Clinical Documentation, Model Evaluation, Data Processing, Deep Learning, Model Training, Applied Machine Learning, Feature Engineering, Machine Learning, Medical Terminology, Artificial Neural Networks, Supervised Learning, Python Programming, Computer Programming, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Agentic Workflows, AI Workflows, LLM Application, Large Language Modeling, AI Orchestration, Generative AI Agents, Tool Calling, Agentic systems, Financial Trading, AI Integrations, Prompt Engineering, Market Data, Market Intelligence, Application Programming Interface (API), Machine Learning, Ubuntu, Algorithms, Language Learning, Business Strategies
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Proposal Writing, Prompt Engineering Tools, AI Workflows, Proposal Development, Business Writing, Business Correspondence, Email Automation, Writing, Administrative Support, AI literacy, AI Enablement, Customer Acquisition Management, Writing and Editing, Business Communication, Calendar Management, LLM Application, Sales Prospecting, Prospecting and Qualification
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Occupational Medicine, Physiology, Medical Science and Research, Biomedical Engineering, Hemodynamics, Preventative Care, Oxygen Therapy, Radiation Protection, Human Factors, Health Care, Respiration, Physics, Psychosocial Assessments, Biology, Engineering
★ 4.8 (834) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Facebook, Digital Advertising, Graphic Design, Marketing Design, Marketing Materials, Online Advertising, Social Media Content, Social Media Marketing, Advertising, Social Media, Digital Marketing Tools, Dashboard, Marketing, User Accounts, Business
★ 4.7 (34) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Surveys, Employee Surveys, User Feedback, Microsoft Office, Microsoft 365
★ 4.3 (26) · Beginner · Guided Project · Less Than 2 Hours

Utrecht University
Skills you'll gain: Social Justice, Court Systems, Political Sciences, Immigration Law, Law, Regulation, and Compliance, Diversity Awareness, European History, Cultural Diversity, Social Sciences, Lawsuits, Civil Law, Adjudication, Legal Proceedings, Case Law, Case Studies
★ 4.8 (630) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Office
★ 4.9 (1.1K) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Color Theory, Color Matching, Developing Training Materials, Course Development, Design, Digital Design, Design Elements And Principles, Graphic Design, Creative Design, Graphic and Visual Design Software, Marketing, Social Media
★ 4.6 (1.7K) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data-Driven Decision-Making, Strategic Decision-Making, Microsoft Office
★ 4.7 (522) · Intermediate · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Data Structures, Financial Policy, Financial Regulation, Market Dynamics
★ 4.6 (3.1K) · Mixed · Course · 1 - 3 Months