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: Computer Security Incident Management, NIST 800-53, Incident Management, Security Management, Digital Forensics, Security Controls, Disaster Recovery, Authorization (Computing), Continuous Monitoring, Change Control, Cybersecurity, Event Monitoring, Risk Management, System Monitoring, Federal Information Security Management Act, Cyber Risk, Threat Management, Cyber Security Policies, Vulnerability Assessments, Vulnerability Management
Intermediate · Specialization · 3 - 6 Months

Keller Williams
Skills you'll gain: Lead Generation, Value Propositions, Sales Development, Prospecting and Qualification, Sales Process, Real Estate Sales, Sales Prospecting, Sales Management, Booking (Sales), Customer Acquisition Management, Brand Marketing, Sales Pipelines, Branding, Market Opportunities, Social Media Content, Property and Real Estate, Brand Strategy, Property Management, Customer Relationship Management, Communication
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Markov Model, Simulations, Integral Calculus, Correlation Analysis, Control Systems, Probability, Simulation and Simulation Software, Probability & Statistics, Statistical Methods, Applied Mathematics, Probability Distribution, Predictive Analytics, Engineering Analysis
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Data Processing, Real Time Data, Live Streaming, Distributed Computing, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Telehealth, Medical Billing and Coding, Health Technology, Health Systems, Health Care, Medical Billing, Health Care Procedure and Regulation, Health Care Administration, Telecommunications, Value-Based Care, Clinical Leadership, Regulatory Compliance, Patient Communication, Patient-centered Care, Health Policy, Digital Transformation
Intermediate · Course · 1 - 4 Weeks

Utrecht University
Skills you'll gain: Nutrition and Diet, Nutrition Education, Food and Beverage, Socioeconomics, Environmental Issue, Sustainable Systems, Sustainable Development, Health Disparities, Behavioral Economics, Health Equity, Psychology
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Respiration, Physiology, Cardiology, Pulmonology, Endocrinology, Anatomy, Human Musculoskeletal System, Nephrology, Electrophysiology, Urology, Hemodynamics, Neurology, Sensory Systems Analysis, Gynecology, Biology, Cell Biology, Nutrition and Diet
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Information Technology Infrastructure Library, Problem Management, IT Service Management, Service Management, IT Management, Change Control, Information Technology Operations, Incident Response, Information Technology, Change Requests, Service Level, Operations Management, Incident Management, Governance, Technical Management, Help Desk Support, Asset Management, Operations, Automation
Beginner · Specialization · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Social Impact, Market Opportunities, Business Modeling, Market Research, User Research, Program Evaluation, Business Planning, Entrepreneurship, Sustainable Business, Sustainable Development, Key Performance Indicators (KPIs), Performance Measurement, Stakeholder Engagement, Customer Analysis, Stakeholder Analysis, Needs Assessment, Target Audience, Governance, Financial Forecasting, Fundraising
Mixed · Course · 1 - 4 Weeks

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Community Development, Spatial Analysis, Environmental Issue, Social Sciences, Policy Analysis, Demography, Climate Change Adaptation, Environmental Policy, Socioeconomics, Systems Thinking, Economic Development, Sociology, Emerging Technologies, Cultural Diversity, Big Data, Data Literacy, Research Methodologies
Intermediate · Course · 1 - 3 Months

Universidad de Chile
Skills you'll gain: Time Management, Learning Strategies, Organizational Skills, Emotional Intelligence, Student Support and Services, Student Services, Learning Styles, Personal Development, Stress Management, Self-Awareness, Self-Motivation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, OAuth, Google Cloud Platform, Kubernetes, Cloud Storage, Authentications, Security Controls, Application Security, Authorization (Computing), Data Security, Role-Based Access Control (RBAC), Hardening, Web Applications, Vulnerability Scanning, Encryption, Key Management, Virtual Machines
Intermediate · Course · 1 - 3 Months