First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

University of Colorado System
Skills you'll gain: Routing Protocols, Network Routing, Open Shortest Path First (OSPF), TCP/IP, Network Routers, Network Protocols, Network Architecture, Network Switches, Virtual Networking, Network Performance Management, Computer Networking, OSI Models, Local Area Networks, Graph Theory, Algorithms
★ 4.7 (455) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient-centered Care, Clinical Supervision, Clinical Experience, Healthcare Ethics, Basic Patient Care, Patient Communication, Patient Advocacy, Dignity in Care, Patient Treatment, Patient Safety, Patient Evaluation, Health Care, Ethical Standards And Conduct, Health Assessment, Professionalism, Communication, Healthcare Industry Knowledge, Empathy, Decision Making, Critical Thinking and Problem Solving
Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Corporate Accounting, Management Accounting, Accounting Systems, Resource Allocation, Depreciation, Production Process, Financial Accounting, Fixed Asset
★ 4.7 (224) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Engineering, Scientific, and Technical Instruments, Process Control, Laboratory Equipment, Manufacturing Processes, Embedded Software, Electronic Systems, Electronics, Semiconductors, Laboratory Testing, Health Technology, Medical Devices, Electronic Components, Performance Tuning, Network Protocols
★ 4.6 (322) · Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Global Marketing, Growth Strategies, Digital Marketing, Marketing, Marketing Strategies, Innovation, Brand Strategy, Business Strategies, Storytelling
★ 4.7 (497) · Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), Object Oriented Design, C++ (Programming Language), Debugging, Computer Programming, Program Development, Video Game Development, Computer Programming Tools, 3D Assets, Development Environment, Software Documentation, Code Reusability, Data Storage, Scripting
★ 4.5 (180) · Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
★ 4.7 (240) · Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Store, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Applied Machine Learning, Machine Learning Methods, Statistical Machine Learning, Scalability, Machine Learning
★ 4.3 (343) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Embedded Systems, Embedded Software, Real Time Data, Electronics, Electronics Engineering, Electronic Components, Intrusion Detection and Prevention, Design Specifications, Computer Displays
★ 4.7 (258) · Intermediate · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: 3D Assets, Ancient History, 3D Modeling, Visualization (Computer Graphics), Public History, Digital Publishing, Scientific Methods, Data Sharing, Anthropology, Data Modeling, Cultural Diversity, Case Studies, Cultural Sensitivity, Liberal Arts, Research, Data Management, Data Collection, Semantic Web
★ 4.4 (310) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Development, Database Management, Relational Databases, Query Languages, Performance Tuning, Data Structures
★ 4.6 (336) · Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Image Analysis, Image Quality, Matlab, Spatial Data Analysis, Geospatial Information and Technology, Quantitative Research, File Management
★ 4.8 (209) · Beginner · Course · 1 - 4 Weeks