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.

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Constructive Feedback, Clinical Supervision, Clinical Assessment, Clinical Practices, Adult Education, Patient-centered Care, Trustworthiness, Empowerment
Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Anthropology, Biology, Physical Science, World History, Microbiology, Environment, Ancient History, Biochemistry, Environmental Science, Climate Change Adaptation, Taxonomy, Chemistry, Scientific Methods
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Key Management, Threat Modeling, Authorization (Computing), Encryption, Data Integrity, Authentications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Google Cloud Platform, Operational Databases, Data Management, Database Management, NoSQL, Data Storage Technologies, System Monitoring, Disaster Recovery, Scalability
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Robotic Process Automation, Automation, Business Process Automation, Software Development Tools, User Interface (UI), Software Installation, Version Control, Debugging
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Object Oriented Design, Software Engineering, Software Development Tools, Software Testing, Program Development, Software Architecture, Ethical Standards And Conduct, Algorithms
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, electromagnetics, Physics, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Problem Solving, Applied Mathematics, Advanced Mathematics, Electronic Components, Mathematical Theory & Analysis, Calculus, Differential Equations, Integral Calculus, Trigonometry, Derivatives
Intermediate · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Constructive Feedback, Coaching, Virtual Teams, Professional Development, Talent Pipelining, Adaptability, Stakeholder Engagement, Workforce Development, Strategic Partnership, Project Implementation, Technology Strategies, Emerging Technologies, Relationship Building
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Risk, Return On Investment, Economics
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Oral Expression, Storytelling, Liberal Arts, Cultural Diversity, Social Justice, Social Studies, Writing, Research, Culture
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Stress Management, Mental Health Diseases and Disorders, Mental Health, Mental Health Therapies, Behavioral Health, Clinical Psychology, Nutrition and Diet, Social Determinants Of Health, Health Promotion, Patient Evaluation, Diagnostic Tests, Health Education, Patient Treatment, Clinical Assessment, Demography
Beginner · Specialization · 3 - 6 Months