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: Artificial Intelligence, Graph Theory, Algorithms, Computer Vision, Control Systems, Pseudocode, Data Structures, Python Programming, Simulations
Build toward a degree
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Business Risk Management, Risk Management, Cyber Governance, Penetration Testing, Personally Identifiable Information, Information Privacy, Vendor Management, Governance Risk Management and Compliance, Security Management, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Security Strategy, Compliance Management, Cybersecurity, Regulatory Requirements, Security Controls, Security Awareness
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Music, World Music, Culture, Psychology, Neurology, Anatomy, Science and Research
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

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Virtualization, Cloud Computing, Linux Administration, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software As A Service, Virtual Machines, Platform As A Service (PaaS)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Business, Nutrition and Diet, Social Determinants Of Health, Sustainability Standards, Environment, Health Assessment, Environmental Resource Management, Environmental Science, Public Health, Climate Change Mitigation, Systems Of Measurement, Problem Solving
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Substance Abuse, Mental Health, Neurology, Mathematical Modeling, Patient Safety, Physiology, Cardiology, Accident Prevention, Public Health, Pharmacology, Public Health and Disease Prevention, Biology
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Design Elements And Principles, Graphic and Visual Design, Visual Design, Design, Media and Communications, Color Theory, Art History, Typography, Creativity, Psychology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Generative AI Agents, Business Transformation, Stakeholder Communications, Organizational Development, Business Communication, Communication, Employee Training, Workforce Development, Stakeholder Engagement, Employee Engagement, Change Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Security, Secure Coding, Data Ethics, Vulnerability Assessments, Responsible AI, Threat Modeling, Data Security, Security Controls, Cybersecurity, Artificial Intelligence, Threat Detection, Authorization (Computing), Encryption, Penetration Testing
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Game Design, Video Game Development, Live Streaming, Systems Thinking, Aesthetics, Social Sciences, Economics, Policy, and Social Studies, Interactive Design, Socioeconomics, Culture, Psychology, Storytelling, Journalism, User Experience, Media Strategy, Critical Thinking, Digital Media Strategy, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Data Storage Technologies, Network Monitoring, File Management
Intermediate · Course · 1 - 4 Weeks