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: Browser Compatibility, Responsive Web Design, UI Components, HTML and CSS, Color Theory, Web Design, Web Content Accessibility Guidelines, Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Semantic Web, Verification And Validation, Interactive Design, User Interface (UI), Typography, Web Design and Development, Web Development Tools, Usability, Web Development, Interaction Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Figma (Design Software), Animations, Responsive Web Design, Prototyping, UI Components, Interaction Design, Mockups, User Experience Design, User Interface (UI) Design, User Flows, Collaborative Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: People Analytics, Accounts Payable and Receivable, Workday (Software), Accounting Software, Data Analysis Software, Financial Data, Dashboard, General Ledger, Accounting, Data Import/Export, Workflow Management, Management Reporting, Workforce Planning, Business Reporting, Business Process, Data Visualization, Finance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Identity and Access Management, Microsoft Azure, Disaster Recovery, Virtual Machines, Active Directory, Role-Based Access Control (RBAC), Virtual Networking, Virtualization and Virtual Machines, Application Deployment, Cloud Security, Cloud Infrastructure, User Accounts, Multi-Factor Authentication, System Monitoring, Cloud Storage, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Data Import/Export, Back-End Web Development, Database Development, Data Structures
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Computational Thinking, Failure Analysis, Biological Engineering, Hazard Analysis, Simulations, Chemical Engineering, Model Evaluation, Applied Mathematics, Differential Equations, Probability
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, Data Visualization Software, General Science and Research, GitHub, Statistical Programming, Git (Version Control System), Data Analysis, Exploratory Data Analysis, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Browser Compatibility, User Interface and User Experience (UI/UX) Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Web Applications, Application Development, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Cloud Deployment, JavaScript Frameworks, OAuth, User Accounts, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Secure Coding, Responsive Web Design, Javascript, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Application Development, Event-Driven Programming, Application Design, User Interface (UI), Program Development, Development Environment, Data Integration
Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Agile Methodology, Agile Project Management, Project Implementation, Prioritization, Stakeholder Analysis, Project Management Life Cycle, Project Planning, Kanban Principles, Simulation and Simulation Software, Team Oriented
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Model Evaluation, Application Programming Interface (API), Text Mining
Beginner · Course · 1 - 4 Weeks