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.

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, Linux Servers, System Monitoring, Authorization (Computing), Windows Servers, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Cloud Computing Architecture, Event Monitoring, Key Management
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Treatment Planning, Health Care Procedure and Regulation, Patient Safety, Pain Management, Health Care, Clinical Practices, Health Promotion, Health And Wellness Coaching, Patient Education And Counseling, Mental and Behavioral Health, Science and Research, Patient-centered Care, Clinical Research, Regulatory Compliance
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Epidemiology, Microbiology, Biology, Public Health, Molecular Biology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtual Machines, Cloud Computing, Firewall, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Cloud Security, Wireless Networks, Network Protocols, Peripheral Devices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Management, Incident Response, Security Management, Computer Security Incident Management, Continuous Monitoring, Infrastructure Security, Cybersecurity, Cyber Security Policies, Telecommuting, Threat Modeling, Cyber Security Strategy, Security Controls, Security Strategy, Problem Management, Security Awareness, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Media and Communications, Journalism, Culture, Public Affairs, Political Sciences, Social Studies, Information Technology, Data Ethics, Writing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Graphic and Visual Design, Animations, Branding, Marketing Design, Design, Social Media Content, Scheduling, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Network Performance Management, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Containerization, CI/CD, Amazon Web Services, Devops Tools, Software Development Tools, Docker (Software), Kubernetes, Application Deployment, Application Performance Management, Front-End Web Development, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Climate Change Adaptation, Water Resources, Hydrology, Environmental Resource Management, Risk Management, Water Quality, Natural Resource Management, Environment, Climate Change Mitigation, Sustainable Development, Social Network Analysis, Governance, Environmental Science
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Growth Mindedness, Personal Development, Leadership, Self-Awareness, Initiative and Leadership, Visionary, Ethical Standards And Conduct, Resilience, Goal Setting
Build toward a degree
Beginner · Course · 1 - 3 Months