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: 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

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Web Design and Development, UI Components, Object Oriented Programming (OOP), Data Structures
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Systems Development Life Cycle, Software Architecture, Software Development Life Cycle, Software Quality Assurance, Software Design, Process Driven Development, Software Engineering, Quality Assurance, Systems Analysis, Object Oriented Design, Systems Design, Program Development, Project Management, Project Planning, Unified Modeling Language
Intermediate · Course · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Sustainable Development, Public Health, Health Policy, Social Determinants Of Health, Community Development, Sustainable Design, Gerontology, Climate Change Adaptation, Demography, Environmental Issue, Pollution Prevention
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Apache Hadoop, Data Lakes, Big Data, Linux Commands, Linux, File Systems, Data Management, Command-Line Interface, Data Processing, Software Installation, Distributed Computing, System Configuration
Intermediate · Course · 1 - 4 Weeks

University of the Arts London
Skills you'll gain: Music, Musical Composition, Artificial Intelligence, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Creativity, Interactive Design, Data Ethics, Music Performance, Human Computer Interaction, Responsible AI, Intellectual Property, Machine Learning
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Sustainable Development, Sustainable Design, Driving engagement
Beginner · Course · 1 - 3 Months

Khalifa University
Skills you'll gain: Language Learning, Language Competency, Oral Comprehension, Literacy, Vocabulary, Grammar
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Unit Testing, Scripting, Development Testing, CI/CD, Test Automation, Integration Testing, DevOps, Python Programming, Web Scraping
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Political Sciences, Social Studies, International Relations, Social Justice, Policy Analysis, Family Law, Social Sciences, World History, Culture, Diplomacy, Civil Law, Ethical Standards And Conduct, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Development Environment, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Legal Technology, Responsible AI, Artificial Intelligence, Critical Thinking, Risk Analysis, Generative AI, ChatGPT, Prompt Engineering, Creativity, Emerging Technologies, Legal Research, Legal Writing, Communication
Beginner · Course · 1 - 4 Weeks