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.

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, AI Orchestration, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Data Persistence, Context Management
★ 4.7 (326) · Intermediate · Project · Less Than 2 Hours

University of London
Skills you'll gain: Oral Expression, Public Speaking, Verbal Communication Skills, Self-Awareness, Communication, Empowerment, Communication Strategies, Composure
★ 4.7 (1.3K) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Debugging, Programming Principles, Program Development, Computer Programming, Python Programming, Computational Thinking, Software Installation
★ 4.8 (234K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Data Visualization, Data Analysis, Data Cleansing
★ 4.6 (650) · Beginner · Guided Project · Less Than 2 Hours

University of Cambridge
Skills you'll gain: Financial Acumen, Financial Controls, Variance Analysis, Business Mathematics, Financial Forecasting, Cost Benefit Analysis, Financial Management, Capital Budgeting, Financial Analysis, Budget Management, Financial Modeling, Financial Reporting, Financial Statement Analysis, Cost Estimation, Financial Statements, Return On Investment, Accounting, Budgeting, Microsoft Excel
★ 4.4 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Development Life Cycle, Cloud-Native Computing, Software Architecture, Hibernate (Java), Database Design, Responsive Web Design, Docker (Software), Containerization, Git (Version Control System), GitHub, Object Oriented Programming (OOP), CI/CD, Restful API, Data Ethics, Java Programming, Model Deployment, Version Control, Database Management, Software Development, Software Design
★ 4.6 (7.8K) · Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Triage, Crisis Intervention, Active Listening, Stress First Aid, Rapport Building, De-escalation Techniques, Psychosocial Assessments, Emergency Response, Trauma Care, First Aid, Mental and Behavioral Health, Personal Care, Mitigation, Mental Health, Caregiving, Stress Management, Patient Referral, Patient Evaluation, Clinical Assessment
★ 4.8 (20K) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Large Language Modeling, AI literacy, Data Ethics, AI Enablement, LLM Application, AI Product Strategy, Artificial Intelligence, Retrieval-Augmented Generation, Business Process Automation, Automation, Cloud Applications
★ 4.8 (5.2K) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Prompt Engineering, LLM Application, Artificial Intelligence, Jupyter, Python Programming, Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, AI Integrations, Data Literacy, Application Development, Scripting, Programming Principles, Automation, Computer Programming, Application Programming Interface (API), Package and Software Management, Data Structures
★ 4.8 (254) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cybersecurity, Cyber Attacks, Incident Response, Information Systems Security, Threat Modeling, Security Management, Computer Security Incident Management, Network Security, IT Security Architecture, Threat Management, Security Information and Event Management (SIEM), Cyber Threat Intelligence, Security Controls, Identity and Access Management, Cryptography, Threat Detection, Cyber Security Policies, Data Security, Computer Security, Risk Management
★ 4.6 (735) · Intermediate · Course · 3 - 6 Months

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
★ 4.6 (140) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, Data Processing, Debugging, Web Scraping, File I/O, Data Store, Data Visualization, Database Software, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Data Presentation, Data Structures, Programming Principles, Python Programming, Program Development
★ 4.8 (281K) · Beginner · Specialization · 3 - 6 Months