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.

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Scripting Languages, Computer Programming, Data Storage, Program Development, Computer Programming Tools, Python Programming, Development Environment, Integrated Development Environments
★ 4 (143) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Web Language, Web Design, Cascading Style Sheets (CSS), Web Applications, Web Development, Front-End Web Development, UI Components, Typography
★ 4.6 (180) · Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Culture, International Relations, Finance, Diplomacy, Social Impact, Cultural Diversity, Social Sciences, Socioeconomics, World History, Governance, Public Affairs, Community Development, Data Analysis, Economic Development
★ 4.5 (40) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Frontend Performance, Animations, Event-Driven Programming
★ 4.8 (128) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Statistical Reporting, Data Cleansing, Data Wrangling, Microsoft Excel, Data Analysis Software, Data Manipulation, Data Preprocessing, Data Quality, Excel Formulas
★ 4.4 (61) · Intermediate · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Care Coordination, Value-Based Care, Care Management, Patient Coordination, Clinical Informatics, Health Informatics, Interoperability, Health Technology, Healthcare Ethics, Clinical Leadership, Patient Education and Support, Patient-centered Care, Healthcare Industry Knowledge, Patient Communication, Health Systems, Health Care, Health Information Management, Primary Care, Telehealth, Communication
★ 4.6 (161) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
★ 4.6 (199) · Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Applied Machine Learning, Statistical Machine Learning, Deep Learning, Responsible AI, Machine Learning Methods, Artificial Intelligence, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, AI Enablement, Machine Learning Algorithms, AI literacy, Artificial Neural Networks, Convolutional Neural Networks, AI Product Strategy, Regression Analysis, Law, Regulation, and Compliance
★ 4.5 (67) · Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, Generative AI Agents, Prompt Patterns, Agentic Workflows, Generative Model Architectures, Multimodal Prompts, AI literacy, LLM Application, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Model Evaluation, Responsible AI, Decision Making
★ 4.8 (103) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Image Analysis, Computer Vision, Matlab, Anomaly Detection, Geospatial Information and Technology, Machine Learning Methods, Algorithms
★ 4.6 (58) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Sustainability Reporting, Organizational Change, Business Reporting, Sustainable Design, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Sustainable Business, Annual Reports, Sustainability Standards, Corporate Sustainability, Performance Reporting, Leadership and Management, Key Performance Indicators (KPIs), Sustainable Development, Change Management, Organizational Development, Stakeholder Management, Stakeholder Engagement, Environmental Issue, Leadership
★ 4.8 (107) · Beginner · Course · 1 - 3 Months

Skills you'll gain: TikTok, Content Creation, Video Editing, Video Production, Social Media Content, Social Media, Social Media Marketing, Algorithms, Driving engagement, Target Audience, Business Marketing, Customer Engagement, Culture, User Accounts, Demography
★ 4.8 (70) · Beginner · Course · 1 - 4 Weeks