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.
Duke University
Skills you'll gain: Probability, Graphing, Algebra, Data Science, General Mathematics, Data Analysis, Advanced Mathematics, Derivatives
★ 4.5 (13K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Logistic Regression, Data Cleansing, Apache Spark, PySpark, Data Manipulation, Applied Machine Learning, Data Science, Machine Learning, Python Programming
★ 4.6 (22) · Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Model Evaluation, Retrieval-Augmented Generation, Responsible AI, Predictive Modeling, Machine Learning Methods, Applied Machine Learning, Model Training, Generative AI, Data Wrangling, Data Manipulation, Analytics, Machine Learning Software, Embeddings, Predictive Analytics, Machine Learning, Data Processing, Data Science, Data Modeling, Data Presentation, Data Collection
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, Biostatistics, Exploratory Data Analysis, Statistical Analysis, Unix, Data Science, Data Management, Statistical Methods, Molecular Biology, Command-Line Interface, Statistical Hypothesis Testing, Data Analysis Software, Data Quality, Statistical Modeling, Data Structures, Code Reusability, Big Data, R Programming, Python Programming
★ 4.5 (6.9K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JSON, NumPy, Seaborn, Distributed Computing, Jupyter, Performance Tuning, Data Visualization, Interactive Data Visualization, Python Programming, Data Import/Export, Data Science, Scalability, Data Processing, Real Time Data, Javascript, Analytics, Productivity, Memory Management, C (Programming Language), Research
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Quality Assurance, Test Data, Test Case, Root Cause Analysis, Prompt Engineering, Regression Testing, Software Quality Assurance, Test Planning, Software Testing, Dashboard, Scenario Testing, Requirements Analysis, Dashboard Creation, Jira (Software), Software Documentation, Data Analysis, Microsoft Excel, Debugging, Data Science, Information Technology
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computer Programming, Algorithms, Computer Science, Formal Learning, Software Engineering, Program Development, Data Science, Technical Analysis
Intermediate · Course · 1 - 3 Months

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 California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Science, Data Analysis, File Systems
★ 4.6 (11K) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Data Manipulation, SQL, Data Access
★ 4.5 (438) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Manipulation, Informatics, Clinical Informatics, Data Science, Model Evaluation
★ 4.5 (40) · Intermediate · Course · 1 - 3 Months

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