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.

Arizona State University
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Event-Driven Programming, Python Programming, User Interface (UI), Computer Programming, Application Development, User Interface (UI) Design, Graphical Tools, Code Reusability
★ 3.8 (18) · Beginner · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Sports Medicine, Kinesiology, Exercise Science, Injury Prevention, Nutrition and Diet, Athletic Training, Nutrition Counseling, Process Analysis, Rehabilitation, Exercise Therapy, Preventative Care, Mechanics, Anatomy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Jenkins, Ansible, SonarQube, Continuous Deployment, Configuration Management, Software Configuration Management, Code Coverage, DevOps, Devops Tools, IT Automation, Quality Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Supplier Quality Management, Quality Control, Supplier Performance Management, Corrective and Preventive Action (CAPA), Quality Assurance and Control, Quality Monitoring, Supplier Risk Management, Material Handling, Verification And Validation, Compliance Reporting, Management Reporting, General Shipping and Receiving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Agentic systems, Generative AI Agents, Anthropic Claude, AI Integrations, Tool Calling, LLM Application, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
★ 3.9 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: English Language, Vocabulary, Language Competency, Oral Comprehension, Language Learning, Grammar
★ 5 (8) · Beginner · Course · 1 - 3 Months

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutrition Care Plans, Nutrition Education, Health And Wellness Coaching, Clinical Nutrition, Coaching, Nutritional Assessment, Motivational Interviewing, Exercise Science, Habit Formation, Behavior Management, Mental and Behavioral Health, Health Education, Psychology, Health Assessment, Athletic Training, Health Care
Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Market Trend, Trend Analysis, Financial Trading, Financial Market, Risk Management, Market Data, Marketing Psychology, Market Dynamics, Market Analysis, Risk Analysis, Financial Analysis, Performance Analysis, Risk Control, Test Automation, Analysis, Forecasting, Order Entry, Model Evaluation, Order Management
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Reporting, Critical Thinking, Financial Forecasting, Analytical Skills, Financial Data, Balance Sheet, Accounting, Equities, Forecasting, Income Statement, Annual Reports, Business Valuation, Generally Accepted Accounting Principles (GAAP), Revenue Recognition, Cash Flows, Accruals
★ 4.8 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Engine Optimization (GEO), Search Engine Optimization, Content Optimization, Generative AI, Content Strategy, AI powered creativity, Semantic Web, Workforce Development, Content Performance Analysis, Digital Marketing, Content Creation, Vocabulary, Digital Content, Social Media
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Routing Protocols, Threat Detection, Threat Management, Security Awareness, Network Administration, TCP/IP, Multiprotocol Label Switching, Network Routing, Virtual Private Networks (VPN), Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Local Area Networks, Network Protocols
★ 4.6 (22) · Advanced · Course · 3 - 6 Months

Board Infinity
★ 4.7 (23) · Beginner · Course · 1 - 4 Weeks