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.

IBM
Skills you'll gain: Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Plotly, Data Visualization Software, Web Scraping, Data Visualization, Exploratory Data Analysis, Data Wrangling, SQL, Plot (Graphics), IBM Cognos Analytics, Data Analysis, Professional Networking, Analytics, Excel Formulas, Data Import/Export, Python Programming, Microsoft Excel
★ 4.6 (100K) · Beginner · Professional Certificate · 3 - 6 Months

Maven Analytics
Skills you'll gain: Prompt Engineering, Generative AI, Google Gemini, ChatGPT, Data Analysis Expressions (DAX), Power BI, Deep Learning, Excel Formulas, Analytics, Google Sheets, AI literacy, Microsoft Excel, Artificial Intelligence, Data Analysis, Python Programming, SQL, Business Intelligence, Data Science, Debugging
★ 4.8 (24) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Database Design, Data Processing, Debugging, Web Scraping, File I/O, Data Store, Data Visualization, Database Software, Relational Databases, Restful API, Web Services, SQL, Databases, Data Visualization Software, JSON, Data Presentation, Data Structures, Programming Principles, Python Programming, Program Development
★ 4.8 (281K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
★ 4.7 (229) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Applied Machine Learning, Image Analysis, Python Programming, Jupyter, Artificial Neural Networks, Deep Learning, Software Visualization, Machine Learning
★ 4.4 (85) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Debugging, Programming Principles, Program Development, Python Programming, Data Structures, Computer Programming, Computational Logic, Computer Graphics, Diagram Design, Graphical Tools
★ 4.8 (18K) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Databricks, Data Pipelines, Data Lakes, Data Wrangling, Apache Spark, Data Access, Data Processing, Data Warehousing, Data Architecture, Data Management, Data Synthesis, Data Science, Data Mining, Data Integrity, Data Modeling, Data Presentation, Data Entry, Data Storage, SQL, Python Programming
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Text Mining, Unstructured Data, Health Informatics, Natural Language Processing, Clinical Documentation, Model Evaluation, Data Processing, Deep Learning, Model Training, Applied Machine Learning, Feature Engineering, Machine Learning, Medical Terminology, Artificial Neural Networks, Supervised Learning, Python Programming, Computer Programming, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Command-Line Interface, Statistical Hypothesis Testing, Linux Commands, Data Analysis Software, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.9K) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, API Testing, Object-Relational Mapping, Python Programming
★ 4.6 (49) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours

CertNexus
Skills you'll gain: Application Security, Threat Modeling, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks