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.

Alibaba Cloud Academy
Skills you'll gain: Docker (Software), Containerization, Cloud Deployment, Application Deployment, Kubernetes, Terraform, Prometheus (Software), Cloud Computing, Performance Tuning, Application Performance Management, Cloud Management, Cloud Applications, DevOps, Infrastructure As A Service (IaaS), Performance Testing, Cloud Computing Architecture, Database Management, Cloud Platforms, Operating Systems, Web Development
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Legal Strategy, Legal Technology, Legal Research, Generative AI, AI Workflows, Data Ethics, Strategic Decision-Making, Responsible AI, Legal Writing, Artificial Intelligence, Automation, Predictive Modeling, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Data Visualization, Datamaps, Data Visualization Software, Scatter Plots, Jupyter, Python Programming, Exploratory Data Analysis, Pandas (Python Package), Data Analysis, Medical Science and Research
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Electrical Systems, Basic Electrical Systems, Hardware Troubleshooting, Software Systems, Electrical Engineering, Test Engineering, Systems Integration, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Cleansing, Snowflake Schema, Data Quality, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Data Transformation, Data Pipelines, Data Flow Diagrams (DFDs), Extract, Transform, Load, Dataflow, Data Storage Technologies, Data Integration, Data Storage
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Grant Writing, Sample Size Determination, Biostatistics, Statistical Analysis, Data Analysis, Clinical Research, Statistical Methods, Science and Research, Statistical Hypothesis Testing, Data Collection
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Management Systems, Web Content, Web Design, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Physiology, Biochemistry, Cell Biology, Pharmacology, Molecular Biology, Immunology, Microbiology, Nutrition and Diet, Oncology
Beginner · Course · 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, Database Design, HTML and CSS, API Design, Front-End Web Development, MongoDB, Javascript, Postman API Platform, Bootstrap (Front-End Framework), React.js, UI Components, Ajax, Database Management, OAuth, Frontend Integration, Authentications
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Video Editing, Client Services, Self-Motivation, Post-Production, Price Negotiation, Customer Relationship Building, Video Production, Entrepreneurship, Goal Setting, Business Systems, Professional Networking, Adaptability
Mixed · Course · 1 - 4 Weeks