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.

Johns Hopkins University
Skills you'll gain: Program Evaluation, Maternal Health, Nutrition and Diet, Child Health, Social Impact, Research Methodologies, Data Collection, Epidemiology, Public Health and Disease Prevention, Health Policy, Mathematical Modeling, Statistical Modeling, Data Analysis Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Cloud Hosting, HTML and CSS, Web Design and Development, GitHub, Web Servers, Web Content, Web Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Analysis Expressions (DAX), Ad Hoc Reporting, Microsoft Excel, Business Reporting, Microsoft Access, Report Writing, Data Analysis Software, Business Intelligence Software, Data Presentation, Data Analysis, Business Intelligence, Microsoft Office
Mixed · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cost Benefit Analysis, Risk Management Framework, Risk Management, Risk Analysis, Cyber Risk, ISO/IEC 27001, Enterprise Risk Management (ERM), NIST 800-53, Business Risk Management, Risk Mitigation, Governance Risk Management and Compliance, Cybersecurity, Technical Standard, Security Controls
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Wireless Networks, Computer Networking, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Exploitation techniques, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Code Review, Debugging, System Programming, Scripting, Windows PowerShell, Virtual Environment, Linux, File Management
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Mergers & Acquisitions, Financial Analysis, Financial Statement Analysis, Finance, Financial Modeling, Return On Investment, Investment Management, Capital Budgeting, Cash Management, Corporate Finance, Business Valuation, Cash Flow Forecasting, Working Capital, Performance Measurement, Risk Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Google Cloud Platform, Looker (Software), Dataflow, Data Migration, Data Infrastructure, Cloud Computing Architecture, Cloud Storage, Data Pipelines, Cloud Computing, NoSQL, Data Processing, Data Storage, Data Visualization, Databases, Scalability, Capacity Management
Advanced · Course · 1 - 4 Weeks
Dassault Systèmes
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies, Hardware Troubleshooting, Electrical Safety, Technical Communication, Linux, File Systems, Microsoft Windows, Information Privacy
Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: English Language, Grammar, Language Learning
Intermediate · Course · 1 - 3 Months