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.

University of California, Irvine
Skills you'll gain: Language Competency, Grammar, English Language, Language Learning
★ 4.8 (976) · Beginner · Course · 1 - 3 Months

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

Sage Publications
Skills you'll gain: Surveys, Survey Creation, Qualitative Research, Research Design, Descriptive Statistics, Statistical Hypothesis Testing, Research, Correlation Analysis, Quantitative Research, Experimentation, Scientific Methods, Statistical Methods, Probability & Statistics, Science and Research, Data Analysis, Statistical Analysis, Statistics, Research Methodologies, Statistical Inference, Psychology
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Automation, Customer Analysis, Email Marketing, Data-Driven Marketing, Customer Insights, Cross-Channel Marketing, Promotional Strategies, Marketing Effectiveness, Campaign Management, Promotions and Campaigns, Email Automation, Marketing Strategies, Personalized Campaigns, Product Lifecycle Management, Performance Measurement, Customer Retention, A/B Testing, E-Commerce, Sales, B2B Sales
Beginner · Course · 1 - 4 Weeks
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

The State University of New York
Skills you'll gain: Time Series Analysis and Forecasting, R (Software), Forecasting, R Programming, Statistical Analysis, Model Evaluation, Data Analysis, Statistical Programming, Data Visualization, Statistical Visualization, Statistical Software, Mathematical Modeling, Statistical Methods, Statistical Modeling, Predictive Analytics, Predictive Modeling, Correlation Analysis, Descriptive Statistics, Statistical Inference, Data Transformation
★ 4.6 (1.7K) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Spreadsheet Software, Microsoft Excel, Google Sheets, Data Visualization, Data-Driven Decision-Making, Analysis
★ 4.5 (193) · Beginner · Guided Project · Less Than 2 Hours

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 California, Irvine
Skills you'll gain: Grammar, English Language, Oral Comprehension
★ 4.8 (1.3K) · Mixed · Course · 1 - 3 Months

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

Skills you'll gain: Prompt Engineering, AI Workflows, Generative AI, No-Code Development, Google Gemini, Business Process Automation, Workflow Management, ChatGPT, Automation, AI Personalization, Productivity, Model Evaluation, Business Logic, Business Communication, Artificial Intelligence, Business Operations, Business Priorities, Content Creation, Business Planning
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Data Visualization, Plot (Graphics), Supervised Learning, Dimensionality Reduction, Data Presentation, Data Integration, Scientific Visualization, Statistical Visualization, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Model Training, Technical Communication, Data Analysis, Machine Learning Methods
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months