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.

University of California, Irvine
Skills you'll gain: Go (Programming Language), Object Oriented Programming (OOP), Functional Design, Data Structures, Software Design, Debugging
Intermediate · Course · 1 - 4 Weeks

The University of North Carolina at Chapel Hill
Skills you'll gain: Music History, Music, Oral Expression, World History, Social Studies, Liberal Arts, Performing Arts, Art History, Cultural Diversity
Mixed · Course · 1 - 3 Months

Yunus Social Business Fund Bengaluru
Skills you'll gain: Financial Market, Decision Making, Finance, Business Valuation, Capital Markets, Return On Investment, Equities, Corporate Finance, Financial Analysis, Financial Management, Investments, Risk Analysis, Portfolio Risk, Social Impact, Economics, Policy, and Social Studies, Cash Flows
Beginner · Course · 1 - 3 Months

Skills you'll gain: Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Transformation, Data Manipulation, Data Processing, Big Data, Interactive Data Visualization, Business Intelligence, Data Visualization Software, Data Integration, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Cloud Security, Cyber Security Policies, Microsoft Azure, Identity and Access Management, Cybersecurity, Cyber Threat Intelligence, Malware Protection, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Firewall, Endpoint Security, Threat Detection, Virtual Networking, Encryption, Event Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutritional Assessment, Sports Medicine, Nutrition Education, Physiology, Kinesiology, Endocrinology, Health And Wellness Coaching, Vital Signs, Stress Management, Biochemistry, Systems Of Measurement, Biology
Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: No-Code Development, Workflow Management, Business Process Modeling, Process Mapping, Business Process, Data Integration
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Environmental Engineering, Microbiology, Analytical Chemistry, Environmental Science, Biochemistry, Biology
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Materials science, Electronics Engineering, Laboratory Testing, Electronics, Quality Assurance, Process Control, Biomedical Engineering, Electronic Systems, Product Testing, Mechanical Design, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Process Engineering, Mechanical Engineering, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Convolutional Neural Networks, Image Analysis, Keras (Neural Network Library), Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Machine Learning Methods, Network Architecture, Artificial Intelligence, Network Model, Machine Learning, Classification Algorithms, Data Processing
Intermediate · Course · 1 - 3 Months