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: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: English Language, Grammar, Language Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Border Gateway Protocol, Network Routing, Wireless Networks, Network Administration, Network Infrastructure, Local Area Networks, Event Monitoring, Network Switches, Network Troubleshooting, Network Protocols, Network Routers, TCP/IP, Network Architecture, Network Security, Service Level
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Infectious Diseases, Pathology, Patient Evaluation, Microbiology, Infection Control, Public Health and Disease Prevention, Internal Medicine, Diagnostic Tests, Bloodborne Pathogens, Laboratory Testing, Water Resources, Neurology, Public Health, Sanitation, Immunology, Biology, Case Studies, Patient Treatment, Preventative Care, Health Care
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Shell, Unix Commands, Unix, Shell Script, Bash (Scripting Language), Command-Line Interface, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Linux Commands, File I/O, IT Automation, Linux, User Accounts, File Systems, System Monitoring, Operating Systems, File Management, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Counseling, Preventative Care, Public Health and Disease Prevention, Nutritional Assessment, Health And Wellness Coaching, Exercise Science, Physiology, Biology, Anatomy, Communication
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Public Health and Disease Prevention, Public Health, Environmental Science, Infectious Diseases, Preventative Care, Health Policy, Health Care Procedure and Regulation, Policty Analysis, Research, and Development, Climate Change Adaptation, Governance, Food Safety and Sanitation, Law, Regulation, and Compliance, Case Studies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Content Strategy, Content Marketing, Content Performance Analysis, HubSpot CRM, Marketing Strategies, Web Content, Social Media Content, Paid media, Marketing, Digital Content, Content Creation, Marketing Automation, Marketing Analytics, Newsletters, Marketing Psychology, Digital Marketing, A/B Testing, Customer Relationship Management, UI/UX Strategy
Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Instructional Strategies, Student-Centred Learning
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Load Balancing, Virtual Networking, Google Cloud Platform, Network Architecture, General Networking, Computer Networking, Network Administration, Virtual Private Networks (VPN), Identity and Access Management, Network Routing, Firewall, User Accounts, Cloud Storage, Servers
Intermediate · Course · 1 - 3 Months