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: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Virtual Teams, Team Leadership, Intercultural Competence, Organizational Leadership, Team Management, Cultural Diversity, Team Building, Diversity and Inclusion, Cultural Sensitivity, Leadership, Leadership and Management, Cross-Functional Collaboration, Cultural Responsiveness, Interpersonal Communications, Conflict Management, Relationship Building, Culture, Stakeholder Communications, Communication Strategies, Diversity Awareness
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: File I/O, Maintainability, Program Development, C (Programming Language), Software Engineering, System Programming, Software Development, Simulations, Command-Line Interface, Operating Systems, User Interface (UI), Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Web Analytics and SEO, Social Media Marketing, Brand Marketing, Branding, Digital Marketing, Marketing Design, Marketing, Content Management Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Code Coverage, Behavior-Driven Development, Software Testing, Unit Testing, Test Automation, Test Tools, API Testing, Test Case, Test Data, User Story, Mockups, Restful API, Microservices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Incident Response, Security Information and Event Management (SIEM), Cybersecurity, Threat Management, IT Security Architecture, Cloud Security, Cyber Risk, Intrusion Detection and Prevention, Cyber Security Policies, Data Security, Network Security, Cyber Security Strategy, Personally Identifiable Information, Malware Protection, Security Controls, Risk Management
Beginner · Specialization · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Integral Calculus, Calculus, Advanced Mathematics, Materials science, Applied Mathematics, Engineering Analysis, Mathematical Modeling, Differential Equations, Derivatives
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Test Script Development, Technical Communication, Scripting, Technical Writing, Automation, Technical Consulting, Security Controls
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Cardiology, Anatomy, Obstetrics And Gynecology, Urology, Neurology, Pulmonology, Nephrology, General Surgery, Diagnostic Radiology, Medical Terminology, Surgery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Google Gemini, Software Design Patterns, Object Oriented Design, Software Testing, Test Tools, GitLab, Responsible AI, Infrastructure as Code (IaC), Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, GitHub, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Self-Awareness, Personal Development, Psychology, Research, Empathy, Cultural Diversity, Mindfulness
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Remote Access Systems, Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Windows, Network Administration, Virtual Networking, Microsoft Azure, Windows PowerShell, Public Key Infrastructure, Data Storage Technologies, Infrastructure As A Service (IaaS), Network Security, Cloud Storage, Proxy Servers, Web Applications
Intermediate · Course · 1 - 4 Weeks