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 (329) · Intermediate · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Data Structures, GitHub, Generative AI, Matplotlib, Data Visualization, Web Development, Version Control, Debugging, Data Literacy, Scripting, Flask (Web Framework), Plotly, Data Ethics, Containerization, DevOps, Automation, Data Analysis, Cloud Computing
★ 4.4 (757) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Email Security, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Network Security, Malware Protection, Networking Hardware, Service Management, Identity and Access Management, Penetration Testing, Database Management, Cyber Threat Intelligence, Interviewing Skills, Cybersecurity, Cyber Security Assessment
★ 4.6 (28K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Medical Terminology, Revenue Cycle Management, Medical Billing, Medical Billing and Coding, Resilience, Electronic Medical Record System, Emotional Intelligence, Anatomy, Pathology, Medical Coding, Professionalism, Diversity Awareness, Patient-centered Care, Medical History Documentation, Composure, Empathy & Emotional Intelligence, ICD Coding (ICD-9/ICD-10), Medical Records, Physiology, Payment Processing
★ 4.7 (1.8K) · Beginner · Specialization · 3 - 6 Months

Stanford Online
Skills you'll gain: Nutrition Education, Nutrition and Diet, Cooking, Chronic Diseases, Preventative Care, Public Health and Disease Prevention, Meal Planning And Preparation, Food and Beverage, Health Promotion, Health Informatics, Social Sciences, Habit Formation, Behavior Management, Biochemistry
★ 4.7 (34K) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Debugging, Programming Principles, Program Development, Computer Programming, Python Programming, Software Installation
★ 4.8 (234K) · Beginner · 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 (5.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Life Cycle, Cloud-Native Computing, Software Architecture, Hibernate (Java), Database Design, Docker (Software), Containerization, Git (Version Control System), GitHub, Object Oriented Programming (OOP), Javascript, CI/CD, Restful API, Data Ethics, Java Programming, Model Deployment, Version Control, Database Management, Software Development, Software Design
★ 4.6 (7.9K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Vibe coding, AI powered creativity, Debugging, Prompt Patterns, Brainstorming, Planning, Visual Storytelling, Generative AI, Data Wrangling, Data Analysis, Content Creation, Presentations, AI literacy, Responsible AI, Business Communication, Artificial Intelligence, Data Visualization, Research, Project Management, Machine Learning
★ 4.8 (10K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Media Planning, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Order Fulfillment, Paid media, Social Media Management, Online Advertising, Search Engine Optimization, Performance Measurement, Spreadsheet Software, Client Services, Campaign Management, E-Commerce, Loyalty Programs, Marketing, Web Presence, Interviewing Skills
★ 4.8 (51K) · 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, Emergency Services, First Aid, Patient Assistance, Mental Health Diseases and Disorders, Mental and Behavioral Health, Psychiatric Assessments, Patient Communication, Interpersonal Communications, Personal Care, Mitigation, Mental Health
★ 4.8 (20K) · Mixed · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Financial Statements, Financial Statement Analysis, Accrual Accounting, Financial Accounting, Financial Reporting, Accruals, Accounting, Financial Analysis, Balance Sheet, Income Statement, Generally Accepted Accounting Principles (GAAP), Cash Flows, Bookkeeping, Revenue Recognition, Business Metrics, Accounting Records, Return On Investment, Performance Measurement, Operational Performance Management
★ 4.7 (8.6K) · Mixed · Course · 1 - 4 Weeks