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: Development Environment, Computer Graphics, Graphics Software, Cross Platform Development, Computer Graphic Techniques, Video Game Development, Computer Programming Tools, Program Development, Build Tools, Software Installation, System Configuration
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Biology, Environment
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Oral Comprehension, English Language, Literacy, Grammar, Language Learning, Vocabulary
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Business Planning, Content Creation, Intellectual Property, Digital Publishing, Writing, Writing and Editing, Subcontracting, Marketing Strategies, Editing, Product Promotion, Branding
★ 4.9 (7) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Timelines, Social Impact, Social Justice, Social Sciences, Ancient History, Environment, Case Studies, Community Development, Climate Change Programs, Community Outreach, Culture, Diversity Awareness, World History, Cultural Diversity, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, DevOps, Agile Methodology, Collaborative Software, Devops Tools, Microsoft Azure, Software Development, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft 365, Microsoft Power Automate/Flow, Microsoft Power Platform, Case Studies, Content Management Systems, Process Design, Data Governance, Data Migration, Business Process Automation, Content Management, Microsoft Teams, Microsoft Office, Workflow Management, Trend Analysis, Power Apps Component Framework, Strategic Thinking, AI Integrations, System Configuration, Compliance Management, Microsoft Copilot
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Retrieval-Augmented Generation, LLM Application, Prompt Patterns, Tool Calling, Generative AI Agents, Embeddings, Agentic systems, Application Development, Agentic Workflows, Query Languages, Data Pipelines, Data Persistence
★ 3.8 (6) · Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Lean Manufacturing, Quality Improvement, Production Schedule, Production Process, Kaizen Methodology, Quality Management, Production Management, Production Line, Manufacturing Operations, Continuous Improvement Process, Product Quality (QA/QC), Lean Methodologies, Lean Six Sigma, Process Improvement, Scheduling, Quality Control, Operational Efficiency, Process Analysis, Kanban Principles, Workflow Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Software Installation, Electronics Engineering, Electronic Systems, Electronic Components, Embedded Software, Electrical and Computer Engineering, Electrical Engineering, Design Software, Technical Design, Computer-Aided Design, Drafting and Engineering Design, Manufacturing and Production, Electrical Systems, System Configuration, Automation, Data Import/Export
★ 3.7 (6) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Test Script Development, Selenium (Software), Code Reusability
★ 2.2 (9) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks