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.

Google Cloud
Skills you'll gain: Data-Driven Decision-Making, Looker (Software), Data Storytelling, Data Presentation, Big Data, Data Analysis, Interactive Data Visualization, Google Cloud Platform, Analytics, Business Intelligence, Cloud Storage, Data Storage, Data Visualization Software, Dashboard Creation, SQL, Data Sharing, Data Processing, Data Warehousing, Query Languages
★ 4.6 (13) · Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Surveys, Overcoming Objections, Market Research, Business Development, Decision Making, Closing (Sales), Strategic Partnership, Marketing Planning, Survey Creation, Rapport Building, Strategic Decision-Making, Marketing Psychology, B2B Sales, Decisiveness, Business Modeling, Revenue Management, Price Negotiation, Search Engine Optimization, E-Commerce, Entrepreneurship
★ 4.7 (10) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Ads, Advertising Campaigns, Search Engine Marketing, Pay Per Click Advertising, Performance Metric, Campaign Management, Performance Analysis, Online Advertising, Keyword Research, Performance marketing, Performance Measurement, Bidding, Conversion Funnel Analysis, Digital Advertising, Digital Marketing Campaigns, Web Analytics, Campaign Planning, Registration, Advertising, Digital Marketing
★ 4.5 (15) · Beginner · Specialization · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Value-Based Care, Health Care Administration, Managed Care, Behavioral Economics, Health Systems, Payment Systems, Process Design, Health Policy, Performance Measurement, Program Implementation, Risk Management, Accountability, Critical Thinking
★ 4.8 (68) · Beginner · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Enterprise Risk Management (ERM), Risk Management Framework, Financial Services, Risk Management, Banking, Risk Analysis, Financial Systems, Risk Mitigation
★ 4.8 (78) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages, Database Management
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Political Sciences, International Relations, World History, Diplomacy, Social Sciences, Public Safety and National Security, European History, Environmental Issue, Socioeconomics, Conflict Management, Climate Change Programs, Governance, Crisis Intervention, Economic Development, Trend Analysis, Security Strategy
★ 4.8 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
★ 4.7 (28) · Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Frameworks, Application Deployment, Web Frameworks, Web Applications, Front-End Web Development, Development Environment, Cascading Style Sheets (CSS), Web Development, Routing Protocols, Frontend Performance, Responsive Web Design, Configuration Management, Scalability
★ 4.5 (29) · Beginner · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Acumen, Financial Management, Financial Data, Financial Market, Investment Management, Strategic Decision-Making, Corporate Finance, Risk Analysis, Business Risk Management
★ 4.8 (138) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, Usability, Figma (Design Software), Responsive Web Design, User Experience Design, Interaction Design, User Experience, Prototyping, User Interface and User Experience (UI/UX) Design, Software Design Documents, Design Specifications, Software Documentation, User Interface (UI) Design, UI Components, Wireframing, Animations
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, Risk Management Framework, Risking, Scalability, Software Visualization
★ 4.6 (113) · Beginner · Course · 1 - 4 Weeks