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, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, LLM Application, Application Development, No-Code Development, AI Enablement, OAuth, Application Programming Interface (API), Real Time Data, Key Management, Authentications, Data Integration, User Interface (UI), Authorization (Computing), Live Streaming, User Interface and User Experience (UI/UX) Design, Automation, Scalability
Intermediate · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Cultural Diversity, Diversity Awareness, Immigration Law, Social Justice, Social Sciences, International Relations, World History, Socioeconomics, Culture, Political Sciences, Sociology, Diplomacy, Economic Development, Social Impact, Public Safety and National Security, Demography, Economics, Governance
Beginner · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Neurology, Physiology, Anatomy, Behavioral Health, Mental and Behavioral Health, Mental Health Diseases and Disorders, Vital Signs, Control Systems, Coordination, Biology, Communication Systems
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Climate Change Mitigation, Electric Power Systems, Electrical Power, Energy and Utilities, Sustainable Technologies, Environmental Issue, Environmental Science, Project Finance, Semiconductors, Economics, Basic Electrical Systems, Materials science
Beginner · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Database Management, PostgreSQL, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spreadsheet Software, Healthcare Project Management, Data Cleansing, Health Informatics, Data Analysis Software, Clinical Data Management, Data Validation, Data Management
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Public History, Storytelling, Program Evaluation, Media and Communications, Research, Community Outreach, Timelines, Case Studies, Cultural Diversity, Research Methodologies, Creativity, Interviewing Skills
Beginner · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Power Electronics, Electrical Power, Plant Operations and Management, Electric Power Systems, Sustainable Technologies, Energy and Utilities, Semiconductors, Electronics, Electronics Engineering, Environmental Engineering, Electrical Engineering, Materials science, Physics, Engineering Calculations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Responsible AI, Data Ethics, Health Care Administration, Medical Billing and Coding, Artificial Intelligence, Health Informatics, Regulatory Compliance, AI Enablement, Patient Flow, Machine Learning, Medical Billing, Natural Language Processing, Revenue Cycle Management, Artificial Intelligence and Machine Learning (AI/ML), Health Care, Medical Assistance, Predictive Modeling, Generative AI
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Environmental Monitoring, Environmental Regulations, Environmental Laws, Environment, Environmental Science, Geospatial Information and Technology, Robotics, Ethical Standards And Conduct, Research, Data Analysis Software, Critical Thinking
Beginner · Course · 1 - 4 Weeks