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

Fred Hutchinson Cancer Center
Skills you'll gain: Debugging, Responsible AI, Data Ethics, Maintainability, ChatGPT, LLM Application, AI literacy, Computer Programming Tools, Bioinformatics, Artificial Intelligence, Prompt Engineering, Large Language Modeling, Generative AI, Information Privacy, Data Science
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, grep, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures
★ 4.3 (1.2K) · Intermediate · Course · 1 - 3 Months