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: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Web Design and Development, Authentications, Responsive Web Design, Restful API, User Interface (UI), User Accounts
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Distributed Computing, Scalability, Performance Tuning, C++ (Programming Language), System Programming, Computer Architecture, Cross Platform Development, Hardware Architecture, C (Programming Language), Application Performance Management, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Microsoft Azure, Azure Active Directory, Cloud Solutions, Identity and Access Management, Cloud Management, Solution Architecture, Data Governance, Cloud Security, Cloud Computing Architecture, System Monitoring, Authorization (Computing), Authentications, Key Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Creation, Target Audience, Storytelling, Brand Strategy, Branding, Social Media, Brand Awareness, Social Media Marketing, Brand Management, Content Marketing, Instagram, Market Opportunities, Value Propositions, Self-Awareness, Growth Strategies, Communication
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Data-Driven Decision-Making, Agile Methodology, Strategic Leadership, Business Leadership, Business Transformation, Analytics, Data Analysis, Leadership, Leadership Development, Organizational Leadership, Leadership and Management, Team Leadership, Cross-Functional Collaboration, Complex Problem Solving
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Equipment decontamination, Biology, Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Development Environment, Agentic systems, AI Workflows, Artificial Intelligence, Tool Calling, LLM Application, Database Systems, Database Management, SQL, Database Application, OpenAI API, Software Development Tools, Prompt Engineering
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Descriptive Statistics, Jupyter, Microsoft Azure, Feature Engineering, Data Analysis, Statistics, Exploratory Data Analysis, Probability & Statistics, Data Visualization Software, Correlation Analysis, Applied Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Integration, JavaScript Frameworks
Beginner · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Biology, Life Sciences, Molecular, Cellular, and Microbiology, Molecular Biology, Anatomy, Anthropology, Environmental Science, Cell Biology, Taxonomy, Microbiology, Physiology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Web Design and Development, Web Design, Cloud Deployment, User Interface (UI), User Interface (UI) Design, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI/UX Research, User Interface and User Experience (UI/UX) Design, User Experience, User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Interaction Design, Web Design, Typography, Prototyping, Persona Development
Beginner · Course · 1 - 4 Weeks