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.

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Facility Management and Maintenance, Property Management Systems, Building Services Engineering, Facility Management, Plant Operations and Management, Thermal Management, Building Codes, Sustainable Architecture, HVAC, Engineering Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Cyber Security Assessment, Open Web Application Security Project (OWASP), Security Testing, Exploitation techniques, Application Security, Patch Management, Cyber Threat Intelligence, Cyber Engineering, Cyber Governance, Risk Management Framework, Linux Administration, Dashboard Creation, Ethical Standards And Conduct, Linux, Linux Commands, Linux Servers
Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Unity Engine, 3D Assets, Prototyping, Video Game Development, 3D Modeling, Computer Graphics, Multimedia, Programming Principles, Development Testing
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Infant Care, Postpartum Care, Child Health, Maternal Health, Child Development, Injury Prevention, Nutrition and Diet, Safety Standards, Accident Prevention, Patient Education And Counseling, Caregiving, Family Support, Stress Management
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Community Development, Socioeconomics, Crisis Management, Creativity, Social Impact, Cultural Diversity, Social Sciences, Sustainable Development, Innovation, Decision Making, Economic Development, Human Development, Demography, Economics, International Relations, Diversity and Inclusion
Beginner · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Payroll Reporting, Payroll Systems, Payroll Tax, Payroll, Payroll Administration, Payroll Processing, Tax Management, Sales Tax, Tax Compliance, Accounting Software, Workforce Management, Tax Preparation, Compliance Reporting, Scheduling, Tax, Benefits Administration
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: UI/UX Strategy, Experience Design, Design Strategies, Design Elements And Principles, Storyboarding
Mixed · Course · 1 - 3 Months

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Design and Development, Cloud Deployment, Web Development, Responsive Web Design, UI Components, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Legal Technology, Legal Strategy, Legal Risk, Legal Research, Responsible AI, Data Ethics, Arbitration, Litigation Support, Compliance Management, Law, Regulation, and Compliance, Generative AI, Document Management, Legal Writing, Regulation and Legal Compliance, AI literacy, Client Services, Compliance Training, Regulatory Compliance, Artificial Intelligence, Risk Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Security Controls, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Persona Development, Customer Analysis, Customer Insights, Marketing Analytics, Customer Retention, Customer Data Management, Data-Driven Marketing, Data Storytelling, Target Audience, Market Research, Revenue Management, Marketing Effectiveness, Pivot Tables And Charts, Marketing Strategies, Data Presentation, Strategic Marketing, Business Analytics, Data-Driven Decision-Making, Data Analysis, Return On Investment
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Verification And Validation, Theoretical Computer Science, Systems Analysis, Systems Design, Functional Specification, Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks