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.

IE Business School
Skills you'll gain: Survey Creation, Surveys, Marketing Planning, Market Research, Business Research, Product Marketing, Consumer Behaviour, Value Propositions, Market Analysis, Marketing, Business Planning, Marketing Channel, Peer Review, Case Studies, Target Market, Research Design, Data Analysis, Marketing Communications, Marketing Strategies, Product Strategy
Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Human Capital, Employee Retention, Workforce Development, Human Resource Strategy, Employee Training, Digital Transformation, Organizational Strategy, Employee Engagement, Supply Chain Management, Human Resources Management and Planning, E-Commerce, Customer experience strategy (CX), Brand Strategy, Analytics, Talent Management, Retail Store Operations, Marketing Strategies, Business Technologies, Customer Insights, Performance Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Post-Production, Media Production, Music Performance, Editing, Creativity, System Configuration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spreadsheet Software, Google Sheets, Microsoft Excel, Data Visualization, Excel Formulas, Data Presentation, Data Entry, Data Analysis, Data Modeling
Beginner · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Podcasting, Content Creation, Social Media Strategy, Productivity Software, Content Strategy, Social Media, Content Marketing, Scheduling, Branding, Video Production
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Geographic Information Systems, Data Visualization Software, GIS Software, Biostatistics, Health Policy, Risk Analysis, Estimation, Demography, Statistical Methods, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Ancient History, World History, Social Studies, Research, Intercultural Competence, Political Sciences, Sociology, Cultural Diversity, Anthropology, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, Web Design and Development, HTML and CSS, Web Design, UI Components
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Learning, Language Competency
Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Microsoft 365, Document Management, Spreadsheet Software, Productivity Software, Microsoft Windows, Business Writing, Writing and Editing, Web Content, Technical Documentation, Writing, Report Writing, Collaborative Software, Editing, Productivity, Collaboration, Computer Literacy, Business Communication, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: International Financial Reporting Standards, Business Valuation, Consolidation, Technical Accounting, Financial Reporting, Financial Analysis, Mergers & Acquisitions, Financial Accounting, Financial Statement Analysis, Income Statement, Accounting, Balance Sheet
Intermediate · Course · 1 - 4 Weeks