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: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Revenue Recognition, Generally Accepted Accounting Principles (GAAP)
★ 4.5 (29) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Pain Management, Patient-centered Care, Hospice, Patient Evaluation, Treatment Planning, Contraindication, Psychosocial Assessments, Pharmacotherapy, Patient Safety, Pharmacology, Medication Therapy Management, Clinical Assessment, Drug Interaction, Patient Communication, Physical Therapy, Substance Abuse, Cognitive Behavioral Therapy, Mindfulness
★ 4.8 (194) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Economics, Market Trend, Business Economics, Market Analysis, Consumer Behaviour, Operating Cost, Demand Planning, Business Strategy, Revenue Forecasting, Competitive Analysis, Cost Management, Profit and Loss (P&L) Management, Strategic Decision-Making, Decision Making
★ 4.5 (57) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Case Studies, Data Processing, Automation, Statistical Programming, Data Manipulation, Code Reusability, Data Validation
★ 4.8 (150) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Web Applications, Microservices, Software Architecture, Software Engineering, System Testing, Data Infrastructure, Software Systems, System Monitoring, Functional Requirement, Application Deployment, Site Reliability Engineering, Middleware, Distributed Computing, Prototyping, Big Data
★ 3.5 (19) · Advanced · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Electronic Hardware, Music, Electronic Components, Electronics, Music Theory, Digital Communications, Electronic Systems, Hardware Design, Patch Management, Embedded Systems, System Configuration, Algorithms, Embedded Software, Performance Tuning, Music Performance, Dataflow, Programming Principles, Other Programming Languages
★ 4.7 (59) · Beginner · Specialization · 1 - 3 Months

ISC2
Skills you'll gain: Cryptography, Key Management, Public Key Infrastructure, Encryption, Cryptographic Protocols, Data Security, Data Encryption Standard, Public Key Cryptography Standards (PKCS), Cybersecurity, Advanced Encryption Standard (AES), Authentications, Brute-force attacks, Data Integrity, Algorithms
★ 4.8 (95) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Infrastructure Security, Cloud Deployment, Cloud Computing, Threat Detection, Cyber Attacks, Endpoint Detection and Response, Cybersecurity, Information Systems Security, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Security Controls, Intrusion Detection and Prevention, Data Security, Human Factors (Security)
★ 4.7 (34) · Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Change Management, Stakeholder Communications, Professional Networking, Matrix Management, Organizational Change, Organizational Leadership, Stakeholder Analysis, Leadership, Organizational Structure, Leadership Development, Team Leadership, Influencing, Professional Development, Organizational Strategy, Relationship Building, Personal Development, Branding, Storytelling
★ 4.7 (40) · Advanced · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Competitive Analysis, Strategic Decision-Making, Business Strategy, Supply Chain Management, Business Research, Franchising, Game Theory, Inventory Management System, Business Modeling, Business Management, Contract Management, Applied Mathematics
★ 4.8 (46) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, AI Workflows, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Habit Formation, Empathy, Strategic Decision-Making, Productivity, Decisiveness, Self-Motivation, Time Management, Stress Management, Self-Discipline, Creativity, Mental Concentration, Growth Mindedness, Logical Reasoning, Empathy & Emotional Intelligence, Data-Driven Decision-Making, Emotional Intelligence, Strategic Thinking, Strategic Prioritization, Personal Development, Critical Thinking
★ 4.5 (16) · Beginner · Specialization · 3 - 6 Months