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.

LearnQuest
Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Computer Networking, Desktop Support, System Support, Technical Support, Help Desk Support, Cloud Services, Computer Security Incident Management, Operating Systems, Information Technology, Microsoft Windows, Computer Hardware, Network Security
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: File Systems, Operating Systems, System Programming, Computer Systems, OS Process Management, Data Storage, Unix, Linux, Microsoft Windows, Virtualization, Algorithms
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Energy and Utilities, Electrical Systems, Electric Power Systems, Electrical Power, Infrastructure Architecture, Electrical Equipment, Network Planning And Design, Interoperability, Scalability
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Test Automation, Regression Testing, Software Testing, Software Development Tools, Unit Testing, White-Box Testing, Code Coverage, Security Testing, Verification And Validation, Test Case, Test Data, Debugging, Automation, Application Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Oral Expression, Public Speaking, Verbal Communication Skills, Communication, Multimedia
Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Interactive Data Visualization, Dashboard, Data Storytelling, Peer Review, Data Presentation, Tableau Software, Data Visualization Software, Business Intelligence, Data Preprocessing, Data Sharing, Business Analytics, Data Transformation, Data Cleansing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Sprint Planning, Scrum (Software Development), Azure DevOps, Backlogs, Kanban Principles, Agile Software Development, Project Management, DevOps
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique
Skills you'll gain: Grammar, European History, Language Learning, Culture, Vocabulary, Political Sciences, World History, Oral Expression, International Relations, Writing, Social Sciences, Liberal Arts, Art History, Science and Research, Cinematography
Advanced · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Architecture, Emerging Technologies, Internet Of Things, Network Security, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, General Networking, Mobile Security, Telecommunications, Cybersecurity, Technology Roadmaps, Artificial Intelligence and Machine Learning (AI/ML), Automation, Cloud Computing, Real Time Data
Intermediate · Specialization · 1 - 3 Months

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Quantitative Research, Statistical Software, Statistical Analysis, Data Analysis, Probability & Statistics, Analysis, Statistical Methods, Statistical Inference, Analytical Skills, Statistics, Psychology, Regression Analysis, Research
Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Threat Management, Network Planning And Design, Firewall, Network Protocols, Cloud Computing, TCP/IP, Encryption
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Structural Analysis, Mechanics, Engineering Analysis, Mathematical Modeling, Geometry, Engineering Calculations, Applied Mathematics, Trigonometry, General Mathematics, Physics
Beginner · Course · 1 - 3 Months