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.

DeepLearning.AI
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Import/Export, Tensorflow, Data Preprocessing, Data Processing, Feature Engineering, Data Transformation, Data Sharing, Model Training, Data Management, Performance Tuning, Applied Machine Learning
★ 4.5 (536) · Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Mechanics, Torque (Physics), Physics, Problem Solving, Mechanical Engineering, Calculus, Graphing, Physical Science, Mathematical Modeling, Algebra, Applied Mathematics, Trigonometry
★ 4.7 (320) · Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Usability, Object Oriented Design, Version Control, User Experience Design, Design Thinking, User Centered Design, Web Design and Development, Web Content Accessibility Guidelines, .NET Framework, Microsoft Visual Studio, Authorization (Computing), AI Integrations, Application Security, Computational Thinking, User Interface (UI) Design, Web Components, Pseudocode, Microsoft Development Tools, Javascript
★ 4.6 (283) · Beginner · Professional Certificate · 3 - 6 Months
Stanford Online
Skills you'll gain: Bayesian Network, Machine Learning Methods, Statistical Inference, Markov Model, Statistical Machine Learning, Graph Theory, Sampling (Statistics), Applied Machine Learning, Statistical Methods, Probability & Statistics, Algorithms, Probability Distribution, Machine Learning Algorithms
★ 4.6 (491) · Advanced · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, iOS Development, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Business Strategies, Network Analysis, Network Performance Management, Emerging Technologies, Operating Systems, Knowledge of Apple Hardware, System Software, Market Intelligence
★ 4.7 (490) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Deployment, Federated Learning, Tensorflow, Transfer Learning, Model Training, MLOps (Machine Learning Operations), Model Evaluation, Fine-tuning, Machine Learning, Information Privacy, Embeddings
★ 4.8 (512) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Human Computer Interaction, Program Development, Code Reusability, Python Programming, Programming Principles, Computer Programming, Mathematical Software, Data Analysis
★ 4.7 (291) · Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: UI/UX Research, User Research, Design Research, User Experience Design, User Experience, User Centered Design, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Ideation, User Interface (UI), UI/UX Strategy, Qualitative Research, User Interface (UI) Design, Surveys, User Story, Data Collection, Persona Development, Data Analysis, Interviewing Skills, People Analytics
★ 4.6 (472) · Mixed · Course · 1 - 3 Months
Skills you'll gain: People Management, Team Leadership, Team Management, Management Training And Development, Team Performance Management, Team Building, Leadership and Management, Organizational Leadership, People Development, Professional Development, Relationship Management, Culture Transformation, Organizational Effectiveness, Team Collaboration, Relationship Building, Internal Communications, Communication Strategies, Lifelong Learning, AI Enablement
★ 4.8 (288) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), Analysis, C and C++, Statistical Analysis, Data Presentation, Automation, Program Development, Algorithms, Microsoft Development Tools, Programming Principles, Integrated Development Environments, Computer Programming, Theoretical Computer Science, Code Reusability
★ 4.6 (433) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Prompt Engineering, Vector Databases, Embeddings, System Monitoring, Application Security, Fine-tuning, Artificial Intelligence, Model Evaluation
★ 4.8 (215) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Loans, FinTech, General Lending, Key Management, Cryptography, Cryptographic Protocols, Digital Assets, Market Liquidity, Financial Trading, Finance, Transaction Processing, Public Key Infrastructure, Asset Protection, Supply Management
★ 4.9 (493) · Intermediate · Course · 1 - 4 Weeks