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.
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: AI literacy, Generative AI, LLM Application, Matlab, Code Reusability
★ 4.8 (12) · Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Editing, Art History, Writing and Editing, Writing, Liberal Arts, Social Studies, Aesthetics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, User Interface (UI) Design, User Interface (UI), Figma (Design Software), User Interface and User Experience (UI/UX) Design, Application Design, Design, Interactive Design, Collaborative Software
★ 3.9 (14) · Beginner · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Shipping and Receiving, Order Management, Product Automation, Reverse Logistics, Logistics Management, Retail Sales, Product Assortment, Order Fulfillment, Inventory Control, Automation, Supplier Management, Business Risk Management, Product Strategy, E-Commerce, AI Enablement, Profit and Loss (P&L) Management, Competitive Analysis
Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Software Development, Software Engineering, Professional Development, Professionalism, Ethical Standards And Conduct, Teamwork, Computer Programming, Back-End Web Development
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Cloud Infrastructure, Amazon Web Services, IT Automation, Amazon Elastic Compute Cloud, Code Reusability, Infrastructure Architecture, Cloud Management, Cloud Platforms, Data Security, Dependency Analysis
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scikit Learn (Machine Learning Library), Predictive Modeling, Regression Analysis, Machine Learning Algorithms, Applied Machine Learning, Predictive Analytics, Python Programming, Classification Algorithms, Model Training, Machine Learning, Data Analysis
★ 4.8 (11) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Copilot, Forecasting, Revenue Forecasting, Responsible AI, Sales Pipelines, Data Ethics, Sales Strategy, Sales, Sales Enablement, AI Product Strategy, Sales Management, AI Personalization, AI Enablement, Microsoft 365, Data Integration
★ 4.4 (11) · Beginner · Course · 1 - 4 Weeks