Real-time Operating Systems courses can help you learn task scheduling, resource management, interrupt handling, and system performance optimization. You can build skills in designing efficient algorithms, debugging real-time applications, and ensuring system reliability under time constraints. Many courses introduce tools like FreeRTOS, VxWorks, and QNX, that support implementing real-time applications in embedded systems and IoT devices.

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Mechanics, Systems Of Measurement, Engineering Analysis, Differential Equations, Physics, Calculus, Applied Mathematics, Mathematical Modeling, Trigonometry
★ 4.5 (144) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cold Calling, Selling Techniques, Closing (Sales), Overcoming Objections, General Sales Practices, Sales, Sales Process, Sales Presentations, Sales Strategy, Solution Selling, Lead Generation, Telephone Skills, Customer Relationship Building, Rapport Building, Active Listening, Communication Strategies, Customer Engagement
★ 4.7 (277) · Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Supervised Learning, Machine Learning Methods, Dimensionality Reduction, Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Decision Tree Learning, Machine Learning, Machine Learning Software, Financial Trading, Financial Market, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Market Data, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks
★ 3.7 (345) · Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: SAP S/4HANA, Data Modeling, SAP Applications, Systems Architecture, Enterprise Resource Planning, Functional Requirement, Software Development Tools, Data Migration, Software Development Methodologies, Application Deployment, Organizational Structure, Compliance Reporting
★ 4.4 (70) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Troubleshooting, Scenario Testing, Desktop Support, Hardware Troubleshooting, Help Desk Support, Cloud Infrastructure, Information Technology, Technical Support, Technical Support and Services, Network Infrastructure, Cloud Computing, Simulations, System Support, General Networking, Cloud Services, Computer Hardware, Computer Networking, Network Security, Operating Systems
★ 3.3 (109) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Database Administration, Database Theory, Microsoft Azure, Databases, Database Software, Relational Databases, MySQL, SQL, Database Management Systems, Database Management, NoSQL, Query Languages, PostgreSQL, Data Security, Data Management, Cloud Deployment
★ 4.6 (276) · Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Risk Management, Systems Analysis, Social Network Analysis, International Finance, Financial Systems, Infectious Diseases, Public Health, Socioeconomics, Social Sciences, Health Policy, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
★ 4.7 (462) · Beginner · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, Generative AI Agents, Prompt Patterns, Agentic Workflows, Generative Model Architectures, Multimodal Prompts, AI literacy, LLM Application, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Model Evaluation, Responsible AI, Decision Making
★ 4.7 (137) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Responsible AI, Data Ethics, Microsoft 365, Information Management, Generative AI, Productivity Software, Microsoft Word, Microsoft Excel, Writing, Editing
★ 4.6 (63) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Public History, Photography, Photo Editing, Art History, Media and Communications, Visual Storytelling, Research, World History, European History, Storytelling, Case Studies, Ethical Standards And Conduct
★ 4.6 (394) · Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Data Presentation, Bioinformatics, Big Data, Analytics, Data Mining, Health Informatics, R (Software), Biostatistics, Biomedical Technology, Informatics, Advanced Analytics, Medical Science and Research, Predictive Analytics, R Programming, Predictive Modeling, Statistical Programming, Statistical Analysis, Statistical Methods, Data Cleansing, Molecular Biology
★ 4.2 (288) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Immunology, Pharmacology, Infectious Diseases, Chronic Diseases, Physiology, Hematology, Preventative Care, Blood Banking, Pathology, Laboratory Testing, Molecular Biology, Diagnostic Tests, Molecular, Cellular, and Microbiology, Cell Biology, Biochemistry
★ 4.8 (332) · Intermediate · Course · 1 - 3 Months