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: Respiration, Respiratory Care, Pulmonology, Oxygen Therapy, Patient Evaluation, Pulmonary Function Testing, Airway Management, Capillary, Anatomy, Physiology, Patient Treatment, Immunology, Medical Terminology, Diagnostic Tests, Pharmacotherapy, Infectious Diseases
Beginner · Course · 1 - 3 Months

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

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Data Modeling
Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Patient Education And Counseling, Health Disparities, Teaching, Instructional Strategies, Health Equity, Instructing, Health Education, Education and Training, Social Determinants Of Health, Health Care, Health Assessment, Community Health, Interactive Learning, Behavioral Health, Healthcare Industry Knowledge, Patient Communication, Cultural Responsiveness, Medical Terminology, Diversity Equity and Inclusion Initiatives
Beginner · 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

Dartmouth College
Skills you'll gain: Structural Engineering, Structural Analysis, Architectural Engineering, Construction, Building Design, Engineering Design Process, Civil Engineering, Engineering Analysis, Materials science, Mechanics
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Civil Engineering, Mechanical Engineering, Engineering Calculations, Construction, Mechanics, Engineering Design Process, Experimentation
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: European History, Immigration Law, Political Sciences, Cultural Diversity, Social Justice, Policy Analysis, International Relations, Case Law, Social Sciences, Public Policies, Governance
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Data Literacy, Storyboarding, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Ggplot2, Statistical Reporting, Dashboard, Data Synthesis, Data Analysis, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Data Import/Export, Graphing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Computer Security Incident Management, Incident Response, Professional Development, Continuous Improvement Process, Cybersecurity, Performance Metric, Desktop Support, Operating Systems, Service Improvement, Computer Hardware, Cyber Attacks, Customer experience improvement, Technical Support, Customer Complaint Resolution, Digital Transformation, Lifelong Learning
Beginner · Professional Certificate · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Amazon Elastic Compute Cloud, Amazon DynamoDB, AWS Identity and Access Management (IAM), Amazon S3, AWS CloudFormation, AWS Kinesis, Amazon Redshift, Databases, Innovation, Product Management, Cost Management, Business Strategy, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integral Calculus, Calculus, Geometry, Applied Mathematics, Linear Algebra, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives, Graphing
Mixed · Course · 1 - 3 Months