Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Universidad Autónoma Metropolitana
Skills you'll gain: Chemistry, Physical Science, Materials science, Scientific Methods, Taxonomy, Systems Of Measurement
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Sustainable Development, Biology, Hydrology, Water Quality, Systems Thinking, Water Resource Management, Energy and Utilities, Physics, Climate Change Mitigation, Chemistry
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Statistical Modeling, Forecasting, Predictive Modeling, Regression Analysis, Exploratory Data Analysis, Predictive Analytics, Correlation Analysis, Statistical Analysis, Data Analysis Software, Statistical Methods, Plot (Graphics), Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Cleansing, Data Processing, Data Wrangling, Data Integration, Data Capture, Data Literacy, Data Quality, Data Transformation, Data Management, Data Collection, Web Scraping, Data Import/Export, Data Access, Metadata Management, Unstructured Data, SQL
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Search Engine Optimization, Persona Development, Web Analytics and SEO, Keyword Research, Target Audience, Google Analytics, Digital Marketing, Content Strategy, Brand Awareness, Content Creation, User Research, Algorithms, Data Analysis, Business Reporting
Beginner · Course · 1 - 4 Weeks

Universidade Estadual de Campinas
Skills you'll gain: Video Game Development, Game Design, Aesthetics, Art History, Culture, Liberal Arts, Creativity, Design, Design Reviews
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Architectural Design, Sustainable Development, Building Codes, Community Development, Land Development, Sustainable Architecture, Building Design, Sustainable Design, Sustainable Technologies, Climate Change Mitigation, Environmental Policy, Environmental Engineering, Policy Analysis, Case Studies
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Machine Learning, Information Privacy, Personally Identifiable Information, Artificial Intelligence, Data Security, Data Governance, Cybersecurity, Algorithms
Intermediate · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Geostatistics, Exploratory Data Analysis, Spatial Analysis, Descriptive Statistics, Box Plots, Statistical Modeling, R Programming, Plot (Graphics), Rmarkdown, Data Analysis, Data Cleansing, Statistical Methods, Ggplot2, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Big Data, Data Validation, Query Languages, Data Mining, Business Metrics
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Network Security, Threat Management, Incident Response, Vulnerability Management, Computer Security Incident Management, Hardening, Intrusion Detection and Prevention, Security Management, Cyber Threat Intelligence, Cyber Attacks, Cybersecurity, Network Protocols, Cloud Security, Bash (Scripting Language), Debugging, Linux, Interviewing Skills, Python Programming, SQL
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Social Justice, Social Sciences, Sociology, Cultural Diversity, World History, International Relations, Political Sciences, Policy Analysis, Advocacy, Demography
Beginner · Course · 1 - 4 Weeks