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.

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Art History, Ancient History, World History, Cultural Diversity, Anthropology, Sociology, Policy Analysis, Political Sciences, Economics, Governance
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling
Beginner · Project · Less Than 2 Hours
University of Colorado Boulder
Skills you'll gain: Numerical Analysis, Applied Mathematics, Mathematical Modeling, Differential Equations, Physics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, AI Workflows, No-Code Development, Deepseek, Large Language Modeling, Generative AI, Automation, Model Deployment, Data Analysis, Google Sheets, Data Processing, Gmail
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Writing, Course Development, Peer Review, Editing, Creativity
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Probability, Applied Mathematics, Advanced Mathematics, Geometry, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Development Environment, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, GitHub
Beginner · Course · 3 - 6 Months

Yale University
Skills you'll gain: Social Justice, Cultural Responsiveness, Environmental Issue, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Sustainable Systems, Cultural Sensitivity, Environmental Laws, Economics, Policy, and Social Studies, World History, Land Management, Environmental Policy, Climate Change Adaptation, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Non-Verbal Communication, Interviewing Skills, Organizational Effectiveness, Corporate Communications, Business Communication, Communication, Team Building, Intercultural Competence, Negotiation, Active Listening, Business Management, Cultural Sensitivity, Cultural Diversity, Public Speaking
Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Advanced Mathematics, Simulations, Mechanics, Mathematical Modeling, Calculus, Differential Equations, Physical Science, Computer Programming
Beginner · Course · 1 - 4 Weeks