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.

Skills you'll gain: Kubernetes, Containerization, Cloud-Native Computing, Development Environment, Application Deployment, Software Development
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Plot (Graphics), Data Visualization, Scientific Visualization, Datamaps, Interactive Data Visualization, Data Visualization Software, Scatter Plots, Python Programming, Exploratory Data Analysis, Data Import/Export, Data Analysis, Medical Science and Research, Analysis
★ 4.2 (13) · 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, Molecular, Cellular, and Microbiology, Life Sciences, Blood Pressure, Immunology, Medical Science and Research, Biology, Microbiology, Oncology
★ 4.8 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Command-Line Interface, Unix Shell, Unix Commands, Unix, Linux, File Management, Linux Commands, File Systems, File I/O, Systems Architecture
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Visualization (Computer Graphics), Java
★ 4.4 (71) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Music, Music Theory, Sensory Systems Analysis, Aesthetics, Empathy & Emotional Intelligence, Culture, Psychology, Neurology, Anatomy, Science and Research
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Go To Market Strategy, Business Modeling, Entrepreneurship, Sales Presentation, Fundraising, Growth Strategies, Product Marketing, Customer Acquisition Management, Strategic Marketing, Product Development, Market Opportunities, Market Research, New Product Development, Presentations, Entrepreneurial Finance, Business Strategy, Persona Development, Customer Analysis, Market Analysis, Customer Insights
★ 4.6 (12) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Customer Analysis, Dashboard, Data Transformation, Dashboard Creation, Data Wrangling, Data Import/Export, Data Manipulation, Database Design, Business Intelligence, Interactive Data Visualization, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Cleansing, Relational Databases, Data Processing
★ 4.7 (9) · Beginner · Specialization · 1 - 4 Weeks

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
★ 4.9 (11) · Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Visualization Software, Unsupervised Learning, SQL, Data Analysis, Model Evaluation, Seaborn, Data Visualization, Tableau Software, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, Analytics, Presentations, Database Management, Advanced Analytics, Data Science, Machine Learning
★ 4.5 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Servers, Linux Administration, Scripting, Network Troubleshooting, Scripting Languages, Command-Line Interface, Development Environment, Systems Administration, Virtual Machines, Virtualization, Software Installation, File Management, User Accounts
★ 5 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, AI literacy, Data Ethics, Generative AI, Artificial Intelligence, Exploratory Data Analysis, Data Cleansing, Data-Driven Decision-Making, Real Time Data, Data Analysis, AI Integrations, AI Workflows, OpenAI API, Automation, Data Validation
★ 4 (7) · Intermediate · Course · 1 - 4 Weeks