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.

Simplilearn
Skills you'll gain: Kanban Principles, Process Capability, Lean Six Sigma, Lean Methodologies, Six Sigma Methodology, Continuous Improvement Process, Project Closure, Root Cause Analysis, Process Improvement, Quality Improvement, Performance Metric, Process Mapping, Project Scoping, Process Analysis, Performance Measurement, Statistical Methods, Return On Investment, Process Optimization, Problem Solving, Statistics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Exploit development, Threat Detection, Penetration Testing, DevSecOps, Cloud Security, Exploitation techniques, Vulnerability Scanning, Security Testing, Application Security, Incident Response, Security Engineering, Vulnerability Assessments, Python Programming, Web Scraping, Encryption, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Bookkeeping, Generally Accepted Accounting Principles (GAAP), Ledgers (Accounting), Accounting Records, Standard Accounting Practices, Accounting, General Ledger, Balance Sheet, Financial Accounting, Reconciliation, Financial Reporting, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Research Design, Medical Science and Research, Statistical Methods, Descriptive Statistics, Data Literacy, Scientific Methods, Clinical Research, Research, Biostatistics, Sampling (Statistics), Medical Terminology
Beginner · Course · 1 - 3 Months

Emory University
Skills you'll gain: Music Theory, Music History, Music, World Music, Instrumental Music, Performing Arts, Music Performance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Automation, Systems Administration, Software Configuration Management, Operating System Administration, Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface and User Experience (UI/UX) Design, Application Development, Microsoft Visual Studio, C# (Programming Language), User Interface (UI) Design, Interactive Design, Extensible Markup Language (XML), File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Music, Media Production, Musical Composition, Instrumental Music, Editing, File Management, System Configuration
Mixed · Course · 1 - 3 Months
The Hong Kong University of Science and Technology
Skills you'll gain: Structural Analysis, Mechanics, Engineering Calculations, Mechanical Engineering, Civil Engineering, Engineering Analysis, Engineering Drawings, Geometry, Algebra, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Life Sciences, Biology, Taxonomy, Anatomy, Microbiology, Scientific Methods
Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Logic, User Interface (UI), Application Development, Web Applications, Software Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft 365, Document Management, Collaborative Software, Microsoft Office, Microsoft Teams, File Management, Data Entry, Content Management, Cloud Storage, Real Time Data
Beginner · Course · 3 - 6 Months