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.

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Electronics Engineering, Electrical Engineering, 3D Modeling, Electronics, Electronic Components, Simulation and Simulation Software, Simulations, Design Software, Design Specifications, Digital Signal Processing, Verification And Validation, Open Source Technology, Data Import/Export
★ 5 (35) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Probability & Statistics, Statistical Modeling, Statistical Methods, Descriptive Analytics, Tidyverse (R Package), Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Wrangling
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Generative AI, Microsoft Copilot, Generative Model Architectures, Generative Adversarial Networks (GANs), Responsible AI, Data Ethics, Data Security, Information Privacy, Anomaly Detection, Data Analysis
★ 4.7 (40) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Spreadsheet Software, Excel Formulas, Data Import/Export, Data Presentation, Data Literacy, Data Analysis, Business Analysis
★ 3.7 (75) · Beginner · Guided Project · Less Than 2 Hours

HubSpot Academy
Skills you'll gain: Sales Presentation, Sales Management, Sales Enablement, HubSpot CRM, Data Visualization, Prospecting and Qualification, Sales Presentations, Sales Development, Persona Development, Sales Process, Sales Training, Inside Sales, Sales Strategy, Data Storytelling, Employee Onboarding, Service Level Agreement, Sales Prospecting, Sales, Employee Coaching, Target Audience
★ 4.2 (12) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Lead Generation, Marketing Automation, HubSpot CRM, Prompt Engineering, Prospecting and Qualification, Email Automation, ChatGPT, Dashboard, MarTech, Marketing Analytics, Customer Relationship Management (CRM) Software, AI Integrations
★ 4.8 (12) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Digital pedagogy, Education Software and Technology, Teaching, Graphic Design, Creativity
★ 4.4 (33) · Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, Physics, Electrical Systems, Electronics, Electronic Components, electromagnetics, Scientific Visualization, Problem Solving, Calculus, Integral Calculus
★ 4.8 (35) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Sustainable Development, Water Sustainability, Health Equity, Architectural Design, Land Development, Hydrology, Water Resources, Sustainable Design, Community Development, Community Health, Environment
★ 4.8 (98) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Simulations, Simulation and Simulation Software, Education Software and Technology, Mathematics Education, Teaching, Ideation, Digital pedagogy, Experimentation
★ 5 (44) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Visual Basic (Programming Language), Development Environment, Program Development, Microsoft Development Tools, Microsoft Visual Studio, Programming Principles, .NET Framework, Computer Programming, Integrated Development Environments, Software Development, Software Installation, Debugging
★ 4.7 (52) · Beginner · Course · 1 - 4 Weeks