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.

Yonsei University
Skills you'll gain: Sociology, Social Studies, Social Sciences, Diversity Awareness, Social Justice, Socioeconomics, Cultural Diversity, International Relations, World History, Economic Development, Economics, Advocacy
★ 4.8 (324) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Mathematics and Mathematical Modeling, Calculus, Advanced Mathematics, Differential Equations, Mathematical Theory & Analysis, Trigonometry
★ 4 (44) · Mixed · Course · 1 - 3 Months

Skills you'll gain: LinkedIn, Content Creation, Social Media Content, Driving engagement, Professional Networking, Digital Publishing, Social Media, Relationship Building, Branding, Web Presence, Social Media Strategy, Brand Awareness
★ 4.5 (389) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: CPT Coding, Medical Coding, Medical Privacy, Medical Billing, Regulatory Compliance, Patient Evaluation, Anatomy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Medical Office Procedures, Clinical Documentation, Medical Coding, Billing & Invoicing, CPT Coding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, IT Service Management, Systems Integration, Control Objectives for Information and Related Technology (COBIT), Supplier Relationship Management, Supplier Performance Management, Strategic Sourcing, Culture Transformation, Process Development, Organizational Structure, Cross-Functional Collaboration, Governance, Risk Analysis, Process Improvement and Optimization, Risk Management, Continuous Improvement Process, Performance Measurement, Lean Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cash Management, Cash Flow Forecasting, Cash Control, Cash Flows, Reconciliation, Fraud detection, Accounting Software, Accounting and Finance Software, Balancing (Ledger/Billing), Accounting Systems, Internal Controls, Ledgers (Accounting), Financial Controls, Financial Forecasting, Standard Accounting Practices, Revenue Forecasting, Financial Accounting, Accounting Records, Accounting, Revenue Management
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, Interviewing Skills, Organizational Structure, Workforce Development, Security Management, Job Analysis, Professional Networking, Succession Planning
★ 4.9 (14) · Beginner · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: Brand Strategy, Brand Marketing, Branding, Marketing Communications, Brand Management, Brand Awareness, Marketing Effectiveness, Advertising, Marketing, Marketing Strategies, Strategic Marketing, Brand Loyalty, Social Media Marketing, Online Advertising, Direct Marketing, Product Marketing, Marketing Strategy and Techniques, Digital Advertising, Advertising Campaigns, Digital Marketing
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Systems, Linux, Linux Commands, File Management, Linux Administration, Operating Systems, Unix, Command-Line Interface, Authorization (Computing), Data Storage
★ 4.7 (20) · Intermediate · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: English Language, Social Justice, Oral Expression, Oral Comprehension, Language Learning, Storytelling, Public History, Culture, Writing, Vocabulary, Grammar, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Instagram, Facebook, TikTok, Meta Ads Manager, Copywriting, Social Media Marketing, Social Media, Social Media Strategy, Video Production, Social Media Content, Social Media Management, Search Engine Optimization, Paid media, Marketing, Google Ads, Keyword Research, Social Media Campaigns, Advertising, Driving engagement, Advertising Campaigns
Beginner · Specialization · 3 - 6 Months