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: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Integrated Development Environments, System Programming, Algorithms
Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Data Integrity, Encryption, FinTech, Network Security, Transaction Processing, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Windows, File Management, System Configuration, Patch Management, Peripheral Devices, Operating Systems, Web Content Accessibility Guidelines, Microsoft Copilot, Computer Security Awareness Training, Cloud Storage, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Deep Learning, Supervised Learning, Artificial Neural Networks, Model Evaluation, Decision Tree Learning, Network Planning And Design, Machine Learning, Computer Vision
Intermediate · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, FinTech, Emerging Technologies, Cryptography, Encryption, Distributed Computing, Transaction Processing, Data Security
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Anthropology, Biology, Physical Science, World History, Microbiology, Environment, Ancient History, Biochemistry, Environmental Science, Climate Change Adaptation, Taxonomy, Chemistry, Scientific Methods
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Strategic Communication, Strategic Planning, Business Planning, Innovation, Telehealth, Organizational Strategy, Design Thinking, Business Strategy, Health Care Administration, Stakeholder Analysis, Emerging Technologies, Agile Methodology, User Centered Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Google Cloud Platform, Operational Databases, Data Management, Database Management, NoSQL, Data Storage Technologies, System Monitoring, Disaster Recovery, Scalability
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Robotic Process Automation, Automation, Business Process Automation, Software Development Tools, User Interface (UI), Software Installation, Version Control, Debugging
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Basic Electrical Systems, Electrical Engineering, electromagnetics, Physics, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Problem Solving, Applied Mathematics, Advanced Mathematics, Electronic Components, Mathematical Theory & Analysis, Calculus, Differential Equations, Integral Calculus, Trigonometry, Derivatives
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Web Development, Javascript and jQuery, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months