Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Skills you'll gain: Intrusion Detection and Prevention, Linux Commands
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Workflow Management, No-Code Development, Financial Data, Accounting and Finance Software, Artificial Intelligence, Financial Management, Generative AI, Automation, Financial Forecasting, Financial Regulation, Finance, Financial Reporting, Data Management, Financial Analysis, Accounting, Strategic Decision-Making, Securities (Finance)
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), CI/CD, Application Deployment, Network Troubleshooting, DevOps, Performance Tuning, Scalability, Continuous Integration, Containerization, Continuous Delivery, Continuous Deployment, Package and Software Management, Authorization (Computing), Network Security, Identity and Access Management, Network Routing, Cyber Security Policies, IT Automation, System Monitoring
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: CI/CD, Continuous Deployment, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Architecture, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Culture, Cultural Diversity, digital literacy, Intercultural Competence, Diversity Awareness, Liberal Arts, Human Development, World History, Psychology, Ethical Standards And Conduct, Social Sciences, Sociology
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Physiology, Biochemistry, Cell Biology, Pharmacology, Molecular Biology, Molecular, Cellular, and Microbiology, Life Sciences, Blood Pressure, Immunology, Medical Science and Research, Biology, Microbiology, Oncology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Exploit development, Vulnerability Scanning, Exploitation techniques, Security Testing, Vulnerability Assessments, Hardening, Brute-force attacks, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Network Analysis, SQL
Intermediate · Course · 1 - 4 Weeks

Dubai College of Tourism
Skills you'll gain: Revenue Management, Hotels and Accommodations, Hotel Operations, Guest Relations, Hospitality Management, Inventory Control, Inventory Management System, Property Management Systems
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Modeling, Dashboard Creation, Dashboard, E-Commerce, Performance Reporting, Data Visualization Software, Data Visualization, Performance Analysis, Data Presentation, Interactive Data Visualization, Data Analysis, Regional Sales, Business Analysis, Branding
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Kinesiology, Rehabilitation, Exercise Science, Human Musculoskeletal System, Sports Medicine, Exercise Therapy, Physical Therapy, Neurology, Physiology, Geriatrics
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cross-Functional Collaboration, Collaboration, Cross-Functional Team Leadership, Cooperation, Team Collaboration, Team Leadership, Team Management, Self-Awareness, Personal Attributes, Relationship Building
Beginner · Course · 1 - 4 Weeks