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: Linux Administration, Docker (Software), Containerization, Linux, Network Troubleshooting, Linux Servers, Ansible, Kubernetes, Authentications, Infrastructure as Code (IaC), Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Security Controls, Firewall, Web Servers, Encryption
Advanced · Course · 1 - 4 Weeks

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
University of California, Irvine
Skills you'll gain: English Language, Grammar, Language Learning
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Intercultural Competence, Human Capital, Cultural Diversity, Human Resources, Human Resources Management and Planning, Human Resource Strategy, Cultural Sensitivity, Case Studies, Culture, Workforce Management, Leadership
Intermediate · 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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Query Languages, Metadata Management, Performance Tuning, Embeddings, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Technical Support, Hardware Troubleshooting, Cloud Computing, Cloud Services, Cybersecurity, Help Desk Support, System Support, Network Troubleshooting, Computer Hardware, Customer Service, General Networking, Data Storage, Issue Tracking, Operating Systems
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Exploitation techniques, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Cloud-Native Computing, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Event-Driven Programming, HTML and CSS, Application Deployment, Web Development, Full-Stack Web Development, Scripting, Programming Principles, GitHub, Application Development, Object Oriented Programming (OOP), User Interface (UI) Design, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Legal Proceedings, Civil Procedures, Court Systems, Social Studies, Civil Law, Political Sciences, Case Law, Legal Research, Social Justice, Governance, Case Studies, Diversity Equity and Inclusion Initiatives
Beginner · Course · 1 - 4 Weeks

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