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.

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Troubleshooting, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Usability, Usability Testing, User Experience Design, Human Computer Interaction, Human Centered Design, User Interface (UI), User Research, Data Collection, Research Design, Research Methodologies, Qualitative Research, Experimentation, Case Studies
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Research Methodologies, Qualitative Research, Research Design, Social Sciences, Case Studies, Statistical Analysis, Systems Thinking, Computational Logic, Regression Analysis, Political Sciences
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Performance Tuning, Performance Analysis, Microsoft Excel, Time Series Analysis and Forecasting, Microsoft Copilot, Business Intelligence, Data Modeling, Data Manipulation, Business Metrics, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Political Sciences, Public Policies, Policy Analysis, Social Sciences, International Relations, Socioeconomics, Economics, Economic Development, Governance, Culture
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, TCP/IP, Network Performance Management, OSI Models, Wireless Networks, Telecommunications, Network Analysis, Data Integrity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Service Level Agreement, Data Governance, Incident Management, Problem Management, Database Management Systems, Asset Management, Disaster Recovery, Business Continuity Planning, Business Continuity, Security Controls, Information Systems, IT Infrastructure, Auditing, Patch Management
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Engineering Calculations, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, JavaScript Frameworks, Javascript, Web Development Tools, Middleware, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Software Installation, Debugging, Computer Programming
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Computer Programming, Scripting, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Test Case, Cascading Style Sheets (CSS), Debugging, Mac OS
Intermediate · Course · 1 - 3 Months