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: Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Transformation, Data Wrangling, Interactive Data Visualization, Business Intelligence, Data Visualization Software, Business Reporting, Time Series Analysis and Forecasting
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Data Storytelling, Trend Analysis, Sales Presentations, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategies, Business Strategy, Business Analysis, LLM Application
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Sampling (Statistics), Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Data-Driven Decision-Making, Regression Analysis, Data Science, Statistical Inference, Predictive Analytics, Rmarkdown, Statistical Methods, Applied Machine Learning, Model Evaluation, Machine Learning
★ 4.7 (10) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Leadership Studies, Sustainable Business, Organizational Leadership, Organizational Change, Sustainable Design, Corporate Sustainability, Business Transformation, Sustainable Development, Sustainable Systems, Performance Measurement, Waste Minimization, Business Modeling, Innovation, Product Lifecycle Management, Performance Metric, Key Performance Indicators (KPIs), Packaging and Labeling, Environmental Issue, Resource Utilization
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: People Analytics, Accounts Payable and Receivable, Accounts Payable, Workday (Software), Accounts Receivable, Accounting Software, Ledgers (Accounting), Accounting and Finance Software, Accounting Systems, Financial Data, Dashboard, General Ledger, Accounting, Data Import/Export, Workflow Management, Management Reporting, Business Reporting, Business Process, Financial Reporting, Finance
★ 4.6 (7) · Beginner · Course · 1 - 4 Weeks

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

University of California, Santa Cruz
Skills you'll gain: Psychotherapy, Clinical Psychology, Mental Health Therapies, Psychiatry, Mental and Behavioral Health Specialties, Mental Health Diseases and Disorders, Cognitive Behavioral Therapy, Mental Health Counseling, Clinical Social Work, Mental and Behavioral Health, Psychiatric Assessments, Psychology, Psychological Evaluations, Mental Health, Behavioral Health, Research Methodologies, Research, Diagnostic Tests, Clinical Research, Public Health
★ 4.3 (7) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R (Software), Data Wrangling, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Programming Principles
★ 4.1 (13) · Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Culture, Social Studies, Liberal Arts, Neurology, Decision Intelligence, Human Development, Psychology, Social Sciences, Science and Research, Ethical Standards And Conduct
★ 4.9 (10) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Federated Learning, Fine-tuning, AI Security, Large Language Modeling, PyTorch (Machine Learning Library), Model Optimization, Information Privacy, LLM Application, Model Training, Distributed Computing, Machine Learning
★ 4.5 (17) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Web Development Tools, Development Environment, Javascript, Scripting
★ 4 (6) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Web Design and Development, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
★ 4.8 (12) · Beginner · Specialization · 3 - 6 Months