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.

American Psychological Association
Skills you'll gain: Diversity Awareness, Sociology, Psychology, Cultural Diversity, Human Development, Social Sciences, Learning Theory, Biology, Research
Beginner · Course · 3 - 6 Months

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Continuous Integration, Test Execution Engine, Test Data, Test Case, Software Testing, Software Design Patterns, Command-Line Interface, File I/O
Advanced · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Mergers & Acquisitions, Financial Analysis, Financial Statement Analysis, Finance, Financial Modeling, Return On Investment, Investment Management, Capital Budgeting, Cash Management, Corporate Finance, Business Valuation, Cash Flow Forecasting, Working Capital, Performance Measurement, Risk Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Exploitation techniques, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Code Review, Debugging, System Programming, Scripting, Windows PowerShell, Virtual Environment, Linux, File Management
Intermediate · Course · 1 - 3 Months

Indian Institute for Human Settlements
Skills you'll gain: Economics, Policy, and Social Studies, Policy Development, Public Policies, Policy Analysis, Financial Policy, Behavioral Economics, Political Sciences, Economics, Environmental Policy, Market Dynamics, Public Affairs, Governance, Program Implementation, Decision Making
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Linux, Linux Administration, Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Systems Administration, Operating Systems, User Provisioning, Service Management, System Configuration, System Monitoring, Graphical Tools, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Grant Writing, Grant Applications, Proposal Writing, Clinical Research Ethics, Healthcare Ethics, Medical Science and Research, Planning, Research Design, Growth Mindedness, Science and Research, Budgeting, Resilience, Constructive Feedback, Mentorship, Goal Setting, Collaboration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Web Services, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Digital Transformation, Microsoft Azure, Collaborative Software, Health Technology, Patient Communication, Generative AI, Microsoft Teams, Health Informatics, Healthcare Ethics, Cloud Computing Architecture, Cloud Computing, Artificial Intelligence, Data Security
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: SAP S/4HANA, Business Logic, SAP Applications, Business Reporting, Debugging, Object Oriented Design, Report Writing, Programming Principles, Object Oriented Programming (OOP), User Interface (UI), Program Development, UI Components, Test Tools, Data Entry, Eclipse (Software), Software Engineering, Maintainability, Development Environment, Data Structures
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Finite Element Methods, Semiconductors, Electronic Systems, Computer Architecture, Manufacturing Processes, Process Engineering, Emerging Technologies, Simulation and Simulation Software, Mathematical Modeling, Electronic Components, Micrometer, Artificial Intelligence, Scalability
Mixed · Course · 1 - 4 Weeks