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.

Skills you'll gain: Network Security, Cryptography, Firewall, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, Public Key Infrastructure, Network Monitoring, Encryption, Network Architecture, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, React.js, Web Applications, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Hibernate (Java), Spring Boot, Java, Object-Relational Mapping, Database Management, Apache Maven, Software Design Patterns, SQL, Data Persistence, Functional Design, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Neurology, Telehealth, Patient Evaluation, Teamwork, Patient Communication, Collaboration, Patient Education And Counseling, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient-centered Care, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Care Management, Communication
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Data Pipelines, Data Integration, Data Security, Automation, Data Storage, Development Testing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Political Sciences, Policy Analysis, Social Justice, Social Sciences, Public Policies, Game Theory, Demography, Logical Reasoning, Applied Mathematics
Mixed · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Diversity Awareness, Cultural Responsiveness, Diversity Equity and Inclusion Initiatives, Social Justice, Workplace inclusivity, Cultural Diversity, Intercultural Competence, Sociology, Empathy & Emotional Intelligence, Cultural Sensitivity, Discussion Facilitation, Advocacy, Interpersonal Communications
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Writing and Editing, Editing, Prompt Engineering, AI Enablement, Proofreading, Responsible AI, Content Creation, Business Writing, Diversity and Inclusion, Analysis, Target Audience, Communication, Communication Strategies, Business Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Network Troubleshooting, Network Infrastructure, General Networking, OSI Models, Computer Networking, Network Analysis
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Customer experience strategy (CX), Strategic Communication, Marketing Communications, Digital Media Strategy, Marketing Analytics, Digital Marketing, Marketing Channel, Data-Driven Decision-Making, Marketing Strategy and Techniques, Integrated Marketing Communications, Personalized Service, Consumer Behaviour, Data Ethics, Social Media, Emerging Technologies, Artificial Intelligence, Augmented Reality
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, AWS Identity and Access Management (IAM), Encryption, Network Security, System Monitoring, Network Administration, Amazon Web Services, Security Controls, Cloud Security, Firewall, Network Monitoring, Network Performance Management, Governance
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Oral Expression, Public Speaking, Verbal Communication Skills, Assertiveness, Self-Awareness, Communication, Personal Attributes, Composure, Interpersonal Communications, Executive Presence, Emotional Intelligence, Respiration
Beginner · Course · 1 - 4 Weeks