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: Oil and Gas, Climate Change Programs, Environment, Governance, Energy and Utilities, Environmental Science, Environmental Monitoring, Physical Science, International Relations, Environmental Policy, Socioeconomics, Natural Resource Management, Hydrology, Economics, Cultural Diversity, Climate Change Adaptation, Geographic Information Systems, Mathematical Modeling, Transportation Operations, Social Studies
Beginner · Specialization · 3 - 6 Months

Fudan University
Skills you'll gain: Research Methodologies, Social Sciences, Sociology, European History, Culture, World History, Qualitative Research, Cultural Diversity, Economics, Economic Development, Political Sciences
Mixed · Course · 1 - 3 Months

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

Commonwealth Education Trust
Skills you'll gain: Pedagogy, Communication Strategies, Teaching, Instructional Strategies, Classroom Management, Student Engagement, Professional Development, Self-Awareness, Cultural Diversity
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Load Balancing, Prompt Engineering, Kubernetes, Network Monitoring, Containerization, Virtual Networking, Network Architecture, Network Security, Cloud Storage, Cloud Services, Identity and Access Management, Application Deployment, Network Routing, Network Planning And Design, Virtual Private Networks (VPN), Hybrid Cloud Computing, TCP/IP
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Display Devices, Computer Displays, Systems Design, Technical Design, Electronics Engineering, Electronic Systems, Electronic Components, Image Quality, Technology Solutions, Emerging Technologies, Physics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Systems, Torque (Physics), Electronic Components, Electric Power Systems, Electrical Equipment, Basic Electrical Systems, Electrical Engineering, Engineering Calculations, Low Voltage, Electronics, High Voltage, Machine Controls, Semiconductors, Test Equipment, Thermal Management, Mechanics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Linux, Linux Commands, Ubuntu, Linux Administration, File Management, Command-Line Interface, Servers, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Medical Terminology, Medical History Documentation, Pulmonology, Cardiology, Electronic Medical Record System, Medical Records, Endocrinology, Human Musculoskeletal System, Orthopedics, Obstetrics And Gynecology, Neurology, Gynecology, Urology, Hematology, Anatomy, Immunology, Diagnostic Tests, Patient Treatment, Physiology, Communication
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: digital literacy
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Manufacturing Processes, Materials science, Mechanical Engineering, 3D Modeling, Manufacturing Operations, Equipment Design, Computer-Aided Design, Experimentation, Process Analysis, Quantitative Research
Intermediate · Course · 1 - 4 Weeks