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.

SkillsBooster Academy
Skills you'll gain: Flask (Web Framework), Debugging, File I/O, Scripting, Python Programming, Web Applications, Data Structures, Secure Coding, Code Reusability, Programming Principles, IT Automation, Web Development, Application Development, Application Deployment, Back-End Web Development, Program Development, Code Review, Software Development, Object Oriented Programming (OOP), Software Engineering
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Statistical Inference, Data Analysis, Quantitative Research, Correlation Analysis, Regression Analysis, Logistic Regression, Research Design, Probability
★ 4.7 (579) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), Memory Management, System Programming, Virtualization, Virtualization and Virtual Machines, Programming Principles, Application Programming Interface (API)
★ 4.5 (185) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, AI Security, Prompt Engineering, Model Context Protocol, Agentic Workflows, Prompt Patterns, AI Orchestration, AI Integrations, AI Workflows, Generative AI Agents, GitHub, Secure Coding, Prompt Engineering Tools, Agentic systems, Context Engineering, Git (Version Control System), Context Management, Artificial Intelligence, Automation, Computer Programming
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Storytelling, Workforce Planning, People Analytics, Dashboard, Human Resources Software, Power BI, Dashboard Creation, Key Performance Indicators (KPIs), Human Resources Management and Planning, Business Metrics, Workforce Development, Workforce Management, Performance Metric, Interactive Data Visualization, Business Intelligence, Human Resource Strategy, Workflow Management, Performance Measurement, Analytics, Strategic Thinking
Intermediate · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Responsible AI, Lesson Planning, Teaching, AI literacy, Education and Training, Instructional and Curriculum Design, Digital pedagogy, Pedagogy, Curriculum Planning, Education Software and Technology, Instructional Strategies, Educational Materials, Intercultural Competence, Interactive Learning, Sustainable Systems, Student-Centred Learning, Student Engagement, Critical Thinking, Content Creation, Learning Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Salesforce Development, Salesforce Object Query Language (SOQL), Force.com, Salesforce, Unit Testing, Code Coverage, Development Testing, Test Case, Application Programming Interface (API), Restful API, Web Services, Development Environment, Maintainability, Software Development Tools, Integrated Development Environments, Transaction Processing, Data Management, Software Installation
Intermediate · Course · 1 - 3 Months

CentraleSupélec
Skills you'll gain: Android Studio, Android Development, Android (Operating System), Storyboarding, Application Design, Mobile Development, Application Development, Java, User Interface (UI) Design, UI Components, Java Programming, Software Documentation, Event-Driven Programming, Interactive Design, Development Environment, Software Installation, User Centered Design
★ 4.2 (2K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Spreadsheet Software, Google Sheets, Microsoft Excel, Data Visualization, Excel Formulas, Data Entry, Data Analysis, Financial Modeling, Expense Management
★ 4.7 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

University of Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, Verification And Validation, Software Development Life Cycle, Software Development
★ 4.6 (448) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Data-Driven Decision-Making, Decision Making, Simulation and Simulation Software, Risk Modeling, Business Modeling, Data Analysis, Market Analysis, Unsupervised Learning, Model Optimization, Statistical Methods, Microsoft Excel, Spreadsheet Software, Exploratory Data Analysis, Probability Distribution
★ 4.6 (1.9K) · Beginner · Course · 1 - 4 Weeks