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: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Services, Cloud Infrastructure, Scalability, Cloud Platforms, Public Cloud, Software As A Service, Infrastructure As A Service (IaaS), Cloud Management, Platform As A Service (PaaS), Private Cloud, Hybrid Cloud Computing
Mixed · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Procurement, Key Performance Indicators (KPIs), Organizational Structure, Supplier Relationship Management, Supplier Management, Talent Management, Organizational Effectiveness, Performance Measurement, Talent Acquisition, Procedure Development, Human Resource Policies, Cross-Functional Collaboration, Recruitment Strategies
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Empathy & Emotional Intelligence, Conflict Management, Emotional Intelligence, Social Skills, Empathy, Self-Motivation, Professional Development, Self-Awareness, Verbal Communication Skills, Professionalism, Team Collaboration, Communication, Employee Engagement, Teamwork, Personal Development, Team Building, Organizational Leadership, Team Motivation, Growth Mindedness, Behavior Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Performance Tuning, SQL, Query Languages, Database Management, Database Management Systems, Databases
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Molecular Biology, Biotechnology, Process Engineering, Engineering Design Process, Systems Design, Biochemistry, Molecular, Cellular, and Microbiology, Life Sciences, Design Specifications, Cell Biology, Technical Design, Research Design, Biology, Computational Logic, Diagram Design, Laboratory Research, Laboratory Experience, Technical Standard
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability, Usability Testing, Web Design, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Pain Management, Hospice, Psychosocial Assessments, Respiratory Care, Clinical Assessment, Caregiving, Pulmonology, Stress Management, Health Assessment, Patient Education And Counseling, Patient Education and Support, Chronic Diseases, Nursing Practices, Mental Status Examination, Pharmacotherapy, Nutrition and Diet, Physiology, Pharmacology
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Talent Acquisition, Human Resources, Recruitment Strategies, Talent Recruitment, Leadership Development, Diversity Equity and Inclusion Initiatives, HR Tech, Human Resources Management and Planning, Human Resource Strategy, Leadership, Workplace inclusivity, Recruitment, Strategic Leadership, Intercultural Competence, Diversity and Inclusion, Organizational Structure, Human Resources Information System (HRIS), Human Resources Software, Cultural Diversity, Organizational Development
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Big Data, R (Software), Data Mining, Data-Driven Decision-Making, Sales Pipelines, Predictive Analytics, Machine Learning Methods, Data Visualization, Data Strategy, Customer Relationship Management (CRM) Software, Customer Analysis, Sales Management, Data Engineering, Customer Engagement, Predictive Modeling, Data Visualization Software, Plot (Graphics), Statistical Visualization
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: GitHub, Version Control, Git (Version Control System), Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Collaborative Software, Software Configuration Management, Software Installation, Configuration Management, File Systems, File Management, System Configuration
Beginner · Course · 1 - 3 Months