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: Stress Management, Mental Health Diseases and Disorders, Mental Health, Mental Health Therapies, Behavioral Health, Clinical Psychology, Nutrition and Diet, Social Determinants Of Health, Health Promotion, Patient Evaluation, Diagnostic Tests, Health Education, Patient Treatment, Clinical Assessment, Demography
Beginner · Specialization · 3 - 6 Months

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

Northeastern University
Skills you'll gain: Performance Improvement, Process Analysis, Health Care Administration, Process Mapping, Health Systems, Health Informatics, Business Analytics, Clinical Trials, Systems Thinking, Quality Improvement, Change Management, Analytics, Patient-centered Care, Health Care, Care Coordination, AI Personalization, Precision Medicine, Data Analysis, Strategic Thinking, Leadership
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, Workflow Management, Business Workflow Analysis, Risk Management, Strategic Thinking, Team Leadership, Agile Project Management, Team Management, Leadership and Management, Collaborative Software, Project Management, Innovation, Agile Software Development, Process Improvement, Strategic Decision-Making, Change Management, Artificial Intelligence, Adaptability, Digital Transformation, Communication
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, User Accounts, Linux Administration, Linux, Unix Shell, Linux Commands, Unix, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Data Storage, Authorization (Computing), Command-Line Interface, Operating Systems, System Monitoring
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Research, Science and Research, General Science and Research, Scientific Methods, Physical Science, Physics, Research Methodologies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Risk Modeling, Financial Systems, Responsible AI, Safety Culture, FinTech
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Learning Theory, Instructional Design, Learning Management Systems, Digital pedagogy, Technology Solutions, Disabilities, Human Computer Interaction, Technology Strategies, Emerging Technologies, Gerontology
Mixed · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Cultural Diversity, Anthropology, Biology, Sociology, Psychology, Ancient History, Political Sciences, Neurology, Scientific Methods, Research, Science and Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Hugging Face, LLM Application, LangChain, Large Language Modeling, OpenAI, Natural Language Processing, Generative AI Agents, ChatGPT, Responsible AI, Embeddings, Application Programming Interface (API), Text Mining, Restful API, Agentic systems, Open Source Technology, Data Preprocessing, MLOps (Machine Learning Operations), Python Programming, Model Evaluation
Beginner · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Financial Statements, Accounting, Balance Sheet, Income Statement, Financial Reporting, Corporate Finance, Cash Flows, Accrual Accounting, Risk Analysis, Governance
Mixed · Course · 1 - 4 Weeks