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: Videography, Video Editing, Cinematography, Video Production, Visual Storytelling, Storytelling, Editing, Creativity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Web Development Tools, Program Development, Cryptographic Protocols, Javascript, Scripting
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Engineering, Sustainable Business, Strategic Leadership, Product Engineering, Organizational Leadership, Business Leadership, Waste Minimization, Product Design, Sustainable Development, Product Lifecycle Management, Corporate Sustainability, Pollution Prevention, Environment and Resource Management, Environmental Issue, Environmental Regulations, Process Analysis, Material Handling, Consumer Behaviour
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Development, Organizational Leadership, Leadership Studies, Organizational Strategy, Business Leadership, Strategic Leadership, Organizational Structure, Drive Engagement, Leadership Development, Cross-Functional Collaboration, Stakeholder Engagement, Employee Engagement, Driving engagement, Team Building, Industrial and Organizational Psychology, Lifelong Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Agile Methodology, Product Management, Sprint Planning, Sprint Retrospectives, Backlogs
Advanced · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Visualization Software, Unsupervised Learning, SQL, Data Analysis, Model Evaluation, Seaborn, Data Visualization, Tableau Software, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, Analytics, Presentations, Database Management, Advanced Analytics, Data Science, Machine Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Application Design, Software Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
Intermediate · Course · 1 - 3 Months