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.
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Migration, Data Manipulation, Data Preprocessing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, SQL
Intermediate · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Interviewing Skills, Coaching, Client Support, Employee Onboarding, LinkedIn, Professional Networking, Branding, Negotiation, Business Writing, Goal Setting, Financial Planning
Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Talent Management, Leadership and Management, Talent Acquisition, People Management, Team Leadership, Software Engineering, Leadership, Program Management, Cloud Engineering, Business Strategy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, Human Computer Interaction, Usability Testing, Design Research, Embedded Systems, Wireframing, Prototyping, Unified Modeling Language, Persona Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: SQL, Generative AI, Data Visualization, Database Design, Interactive Data Visualization, Query Languages, Data Capture, Data Analysis, Debugging, ChatGPT, Prompt Engineering, Databases, Data Validation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Large Language Modeling, LLM Application, Prompt Engineering, Microsoft Azure, OpenAI API, Retrieval-Augmented Generation, OpenAI, Model Deployment, Risk Management Framework, Embeddings, Application Deployment, Application Programming Interface (API), Python Programming
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Finite Element Methods, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Advanced Mathematics, Simulation and Simulation Software, Differential Equations, Calculus
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Design, Object Oriented Programming (OOP), Software Design, Programming Principles, Application Development, Scripting
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Object Oriented Programming (OOP), Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, JSON, Data Sharing, Data Mining, Interoperability, Extensible Markup Language (XML), Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Change Management, Organizational Development, Organizational Leadership, Business Leadership, Organizational Structure, Leadership Development, Case Studies, Industrial and Organizational Psychology, Human Relations Movement, Adaptability, Dealing With Ambiguity, Lifelong Learning, Neurology
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Environmental Science, Environment, Social Justice, Culture, Sustainable Development, Anthropology, World History, Intercultural Competence, Ethical Standards And Conduct, Cultural Diversity, Climate Change Mitigation
Beginner · Course · 1 - 3 Months