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: Threat Modeling, Network Security, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Incident Response, Threat Management, Cybersecurity, Network Protocols, Threat Detection, Cloud Security, Vulnerability Assessments, Network Architecture, Computer Security Incident Management, Operating Systems, Debugging, Linux, Web Presence, Python Programming, SQL
★ 4.8 (70K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Django (Web Framework), Full-Stack Web Development, Restful API, Version Control, GitHub, Git (Version Control System), Data Structures, Responsive Web Design, Unix Commands, Bootstrap (Front-End Framework), Back-End Web Development, API Testing, Relational Databases, Hypertext Markup Language (HTML), Front-End Web Development, Object Oriented Programming (OOP), Database Management Systems, Python Programming, Computer Programming, Cloud Hosting
★ 4.6 (10K) · Beginner · Professional Certificate · 3 - 6 Months
Arizona State University
Skills you'll gain: Course Development, Digital pedagogy, Developing Training Materials, English Language, Verbal Communication Skills, Critical Thinking
★ 4.9 (20K) · Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Family Support, Resilience
Beginner · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Infrastructure, Incident Response, Cloud Platforms, Business Continuity Planning, Penetration Testing, Business Continuity, Cloud Computing, Relational Databases, Disaster Recovery, Security Controls, Configuration Management, Operating System Administration, General Networking, Cybersecurity, Information Technology, Application Security, Cryptography
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Operating System Administration, Digital Forensics, Cyber Threat Hunting, Email Security, Incident Response, IT Service Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Network Security, Malware Protection, Identity and Access Management, Penetration Testing, Linux, Linux Commands, Database Management, Computer Security Incident Management, Cyber Threat Intelligence, Interviewing Skills, Cybersecurity
★ 4.6 (28K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Quality Management, Project Closure, Scope Management, Team Management, Project Management Life Cycle, Project Management, Project Planning, Agile Project Management, Quality Assurance, Backlogs, Team Leadership, Project Scoping, Stakeholder Analysis, Project Risk Management, Stakeholder Communications, Project Implementation, Quality Assessment, Change Management, Web Presence, Interviewing Skills
★ 4.8 (146K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Storyboarding, Wireframing, User Experience Design, UI/UX Research, User Experience, Usability Testing, Information Architecture, Presentations, Web Design, User Research, Design Thinking, Figma (Design Software), Usability, Design Reviews, Persona (User Experience), Design Research, User Story, Web Presence, Interviewing Skills
★ 4.8 (101K) · Beginner · Professional Certificate · 3 - 6 Months

The State University of New York
Skills you'll gain: Developmental Disabilities, Home Health Care, Nutrition and Diet, Cultural Diversity, Mental Health Diseases and Disorders, Patient Assistance, Caregiving, Working With Children, Meal Planning And Preparation, Disabilities, Patient Communication, Basic Patient Care, Patient Safety
★ 4.8 (687) · Mixed · Course · 3 - 6 Months

Skills you'll gain: Data Literacy, Data Mining, Big Data, Cloud Computing, Data Science, Digital Transformation, Data-Driven Decision-Making, Data Storage, Deep Learning, Machine Learning
★ 4.7 (78K) · Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: File I/O, UI Components, Object Oriented Design, Java Programming, Software Design, User Interface (UI) Design, Debugging, Web Design and Development, Software Engineering, Hypertext Markup Language (HTML), Computer Programming, Program Development, Event-Driven Programming, Encryption, Algorithms, Javascript, Statistical Analysis, Data Processing, Data Analysis, Cascading Style Sheets (CSS)
★ 4.6 (22K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Data Visualization Software, Data Visualization, Plot (Graphics), Dashboard, Interactive Data Visualization, Dashboard Creation, Matplotlib, Datamaps, Graphing, Histogram, Seaborn, Data Analysis, Scatter Plots, Python Programming
★ 4.5 (12K) · Intermediate · Course · 1 - 3 Months