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: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
★ 4.7 (17) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Memory Management, Programming Principles, Integrated Development Environments, Computational Logic, Software Development Tools, Secure Coding, Other Programming Languages, Program Development, Data Storage, Data Management, Development Testing
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Statistics, Correlation Analysis, Data Analysis, Statistical Programming, Descriptive Statistics, Exploratory Data Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Purchasing, Procurement, Consolidation, Strategic Sourcing, Supply Management, Supplier Management, Supplier Relationship Management, Corporate Sustainability, Diversity Programs
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: LLM Application, Data Preprocessing, Large Language Modeling, Data Import/Export, Artificial Intelligence and Machine Learning (AI/ML), Data Integration, Applied Machine Learning, Data Capture, Data Quality, Exploratory Data Analysis, Natural Language Processing, Classification Algorithms, Data Management
★ 5 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Storytelling, Writing and Editing, Writing, Creativity
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Economics, Game Theory, Market Dynamics, Socioeconomics, Business Economics, Social Studies, Policy Analysis, Public Policies, Decision Making, Market Analysis, Consumer Behaviour, Supply And Demand, Analysis, Cost Benefit Analysis, Strategic Decision-Making, Competitive Analysis, Production Process, Critical Thinking, Resource Allocation
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Computational Logic, Systems Design, Verification And Validation, Computer Engineering, Communication Systems, Systems Analysis, Software Systems, Process Modeling, Functional Testing, Theoretical Computer Science, Computational Thinking, Functional Specification, Software Architecture, Model Optimization, Software Design, Graph Theory, Software Testing, Software Quality Assurance, Computer Architecture, Logical Reasoning
★ 4.7 (11) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Threat Management, Incident Management, Risk Management Framework, Infrastructure Security, Resilience, Disaster Recovery, Emergency Response, Business Ethics, Risk Management, Engineering Management, Organizational Change, Leadership Studies, Systems Thinking, Organizational Effectiveness, Public Safety and National Security, Hazard Analysis, Industrial and Organizational Psychology, Failure Analysis, Human Factors (Security)
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Lesson Planning, Teaching, Differentiated Instruction, Instructional and Curriculum Design, Instructional Strategies, Curriculum Planning, Peer Review, Educational Materials, Instructional Design, Pedagogy, Student Engagement, Drive Engagement, Community Outreach, Parent Communication, English Language, Language Learning
★ 4.7 (12) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), User Provisioning, User Accounts, Web Development, Web Applications, Object-Relational Mapping, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Management, Database Application
★ 4.6 (7) · Intermediate · Guided Project · Less Than 2 Hours