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.

Dartmouth College
Skills you'll gain: Liberal Arts, Ethical Standards And Conduct, Social Studies, Social Justice, Culture, Writing, Political Sciences, Advocacy
★ 4.4 (11) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Conceptual Design, Sustainable Design, Project Risk Management, Project Planning, Sustainable Engineering, Product Development, Product Management, Product Design, Manufacturing and Production, Design and Product, Risk Management, Design Software, Engineering, Time Management, Internet Of Things, Cross-Functional Collaboration, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Communication
★ 4.4 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Music Theory, Music Performance, Instrumental Music, Choral Music, Classical Music, Performing Arts, Post-Production, Writing and Editing, Media Production, Editing, Creativity
Beginner · Specialization · 3 - 6 Months

American Council on Exercise
Skills you'll gain: Health And Wellness Coaching, Kinesiology, Coaching, Exercise Science, Motivational Interviewing, Patient Education And Counseling, Empowerment, Human Musculoskeletal System, Physiology, Mental Health, Diversity Awareness, Empathy, Anatomy, Endocrinology
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Parent Communication, Student Engagement, Community Outreach, Working With Children, Training Programs, Education and Training, Cultural Responsiveness, Teaching, Cultural Diversity, Instructional Strategies, Family Support, Culture, Driving engagement, Cultural Sensitivity, Case Studies, Diversity Awareness, Collaboration
★ 4.6 (66) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Quantum computing, Probability, Linear Algebra, Probability & Statistics, Mathematics and Mathematical Modeling, Statistics, Applied Mathematics, Computer Science, Algebra, Physics
★ 4.4 (77) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: People Analytics, Microsoft Excel, Human Resource Strategy, Excel Formulas, Dashboard, Human Resources, Payroll Systems, Payroll, Workforce Planning, Performance Reporting, Payroll Processing, Spreadsheet Software, Employee Engagement, Workforce Management, Compensation Analysis, Performance Analysis, Employee Retention, Data Visualization, Data-Driven Decision-Making
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Programming Principles, Computer Programming, Code Reusability, Data Storage
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Commercial Laws, Notary Services, Banking Services, Banking, Bank Regulations, Payment Systems, Payment Processing and Collection, Commercial Banking, Legal Proceedings, Negotiation, Payment Processing, Retail Banking, Financial Regulation, Finance
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Looker (Software), Customer Retention, Customer Analysis, Customer Insights, Marketing Analytics, Driving engagement, Data-Driven Marketing, Trend Analysis, Data Analysis, Analytics, Performance Metric, Consumer Behaviour, Business Metrics, Time Series Analysis and Forecasting, Forecasting, Business Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Security Awareness Training, Information Technology, Security Software, Malware Protection, Data Security, Technical Support and Services, Cybersecurity, Encryption, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Visualization, Driving engagement, Drive Engagement, Productivity Software, Editing, Graphic Design, Business Communication
★ 4.5 (333) · Beginner · Guided Project · Less Than 2 Hours