Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Data Manipulation, Machine Learning Algorithms, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Care Coordination, Value-Based Care, Care Management, Patient Coordination, Clinical Informatics, Health Informatics, Interoperability, Health Technology, Healthcare Ethics, Clinical Leadership, Patient Education and Support, Patient-centered Care, Healthcare Industry Knowledge, Patient Communication, Health Systems, Health Care, Health Information Management, Primary Care, Telehealth, Communication
★ 4.6 (161) · Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Mobile Development, Android Development, Android (Operating System), Image Analysis, 3D Assets, Geospatial Information and Technology, Computer Vision, Global Positioning Systems, Prototyping, Scripting, Content Management
★ 4.3 (142) · Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: R Programming, Statistical Programming, Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Statistical Methods, Probability & Statistics, Statistical Inference, Sampling (Statistics), Probability Distribution, Numerical Analysis, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, AI Personalization, Agentic Workflows, Responsible AI, Generative AI, Risk Management, HR Tech, Personalized Campaigns, AI literacy, AI Workflows, AI Enablement, ChatGPT, Generative AI Agents, Risk Analysis, Productivity, Artificial Intelligence, LLM Application, Innovation, Ideation
★ 4.7 (28) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), R Programming, Computational Logic, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
★ 4.5 (52) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Mathematical Software, Advanced Mathematics
★ 4.6 (65) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Predictive Modeling, R (Software), Data-Driven Decision-Making, Data Science, Machine Learning Software, Feature Engineering, Data Preprocessing, Machine Learning Methods, Machine Learning, Model Training, Telemarketing, Model Deployment, Model Optimization
★ 4.9 (53) · Intermediate · Guided Project · Less Than 2 Hours

Starweaver
Skills you'll gain: Data Storytelling, Active Listening, Non-Verbal Communication, Business Writing, Data Visualization, Concision, Data Presentation, Sales Presentation, Sales Strategy, Sales Presentations, Team Collaboration, Customer Relationship Management (CRM) Software, Writing, Cultural Sensitivity, Persuasive Communication, Storytelling, Verbal Communication Skills, Communication Strategies, Communication, Marketing Communications
★ 4.4 (36) · Intermediate · Specialization · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Public Health, Health Disparities, Community Health, Health Equity, Public Works, Health Policy, Health Promotion, Social Determinants Of Health, Community Development, Sustainable Design, Gerontology, Landscape Architecture, Sanitation, Climate Change Adaptation, Demography, Environmental Issue, Pollution Prevention
★ 4.8 (172) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Storytelling, Presentations, Data Cleansing, Rmarkdown, Data-Driven Decision-Making, Data Validation, Data Ethics, Analytical Skills, Interactive Data Visualization, Dashboard, R (Software), Data Manipulation, Spreadsheet Software, Ggplot2, SQL, File Management, Data Analysis, Sampling (Statistics), Interviewing Skills
★ 4.5 (331) · Beginner · Professional Certificate · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Store, Data Storage, Data Storage Technologies, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Performance Tuning
★ 4.6 (84) · Intermediate · Course · 1 - 4 Weeks