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: Stored Procedure, SQL, Database Management, Databases, MySQL, Transaction Processing, Database Systems, Database Management Systems, PostgreSQL, Query Languages, Data Integrity, Data Access, Business Logic, Role-Based Access Control (RBAC), Advanced Analytics, Authorization (Computing), Data Manipulation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Talent Pipelining, Prompt Engineering, Talent Acquisition, Team Performance Management, Performance Management, Smart Goals, Google Gemini, Time Management, Performance Appraisal, Interviewing Skills, Responsible AI, Culture Transformation, Workforce Planning, Generative AI, ChatGPT, Employee Onboarding, Recruitment, Employee Engagement, Key Performance Indicators (KPIs), Prompt Engineering Tools
Intermediate · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Lecturing, Language Competency, English Language, Verbal Communication Skills, Higher Education, Professional Development, Stress Management, Multilingualism, Collaboration, Vocabulary, Grammar, Communication Strategies, Motivational Skills
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Google Cloud Platform, Cloud Applications, Spring Framework, Cloud Development, Spring Boot, Database Management, Cloud Deployment, Cloud-Native Computing, Databases, Database Development, Database Systems, Software Architecture, Application Frameworks, Application Performance Management, Service Oriented Architecture, Application Deployment, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Reporting, Ledgers (Accounting), Bookkeeping, International Financial Reporting Standards, Reconciliation, Financial Statements, Accounting, Generally Accepted Accounting Principles (GAAP), Accounting Records, Financial Statement Analysis, Financial Accounting, General Accounting, Accounting Software, Depreciation, Standard Accounting Practices, Accruals, Accounting Systems, Accrual Accounting, Business Reporting, Financial Analysis
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Community Organizing, Community Development, Leadership Studies, Ethical Standards And Conduct, Strategic Leadership, Team Building, Organizational Leadership, Leadership Development, Complex Problem Solving, Adaptability, Professional Development, Systems Thinking, Leadership, Resourcefulness, Problem Solving, Risk Management, Dealing With Ambiguity, Self-Awareness, Emotional Intelligence, Mindfulness
Intermediate · Course · 1 - 4 Weeks

Sage Publications
Skills you'll gain: Sales Prospecting, Closing (Sales), Sales Presentation, Sales Process, Sales Management, Active Listening, Selling Techniques, Conflict Management, Customer Acquisition Management, Sales, Prospecting and Qualification, Account Strategy, Sales Strategy, General Sales Practices, Persuasive Communication, Customer Relationship Management, Customer Analysis, Sales Development, Ethical Standards And Conduct, Network Administration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Role-Based Access Control (RBAC), SQL, Database Development, Databases, Stored Procedure, Database Management Systems, Query Languages, Database Systems, Database Management, Relational Databases, Secure Coding, Authorization (Computing), MySQL, Database Design, Security Controls, Data Access, Business Analytics, Data Analysis, Transaction Processing, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, ASP.NET, Web Applications, Application Deployment, Secure Coding, Content Management, Content Management Systems, Web Development, Web Development Tools, C# (Programming Language), Model View Controller, Web Content, Containerization, C and C++, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Working Capital, Financial Statements, Credit Risk, Financial Analysis, Risk Modeling, Financial Modeling, Portfolio Risk, Financial Acumen, Lending and Underwriting, Portfolio Management, Real Estate, Property and Real Estate, Commercial Lending, Financial Data, Equities, Project Finance, Analysis, Risk Analysis, Finance
Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Google Gemini, Campaign Management, Google Ads, Digital Marketing Tools, Prompt Engineering Tools, Market Research, Google Workspace, Marketing Operations, Report Writing, Google Docs, Digital Marketing Campaigns, Digital Marketing, Content Creation, Target Audience, Content Optimization, Marketing Planning, Generative AI, Search Engine Optimization, Web Analytics and SEO
Beginner · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Open Source Technology, GitHub, CI/CD, Git (Version Control System), Continuous Integration, Collaborative Software, Continuous Deployment, Version Control, Software Development Methodologies
Beginner · Course · 1 - 4 Weeks