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: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Machine Learning Algorithms, Statistical Machine Learning, Data Processing, Model Training, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Model Optimization, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Environmental Issue, Sustainable Development, Sustainable Systems, Pollution Prevention, Environment and Resource Management, Climate Change Mitigation, Environmental Policy, Environmental Science, Systems Thinking, Climate Change Adaptation, Natural Resource Management, Community Development, Biology, Energy and Utilities, Economics, Policy, and Social Studies, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: New Product Development, Emerging Technologies, Commercialization, Innovation, Sustainable Design, Entrepreneurship, Sustainable Engineering, Sustainable Technologies, Engineering, Analysis, Strategic Partnership, Chemical Engineering, Manufacturing Processes, Mechanical Engineering, Hydraulics, Cost Reduction, Mechanics
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Analytics, Distributed Computing, Data Processing, Live Streaming, Systems Architecture, Event-Driven Programming, Development Environment
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: CrewAI, Agentic Workflows, Generative AI Agents, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, AI Orchestration, Artificial Intelligence, Agentic systems, Automation, LLM Application, AI literacy, Model Evaluation, Innovation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Statistical Programming, R Programming, R (Software), Statistical Reporting, Data Quality, Data Preprocessing, Data Cleansing, Statistics, Data Processing, Statistical Methods, Statistical Software, Data Analysis Software, Statistical Analysis, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

HEC Paris
Skills you'll gain: Storytelling, Leadership Development, Trustworthiness, Leadership, Self-Awareness, Relationship Building, Oral Expression, Strategic Leadership, Accountability, Resilience, Personal Development, Visionary, Organizational Leadership, Professional Development, Verbal Communication Skills, Innovation, Persuasive Communication, Presentations, Forecasting, Strategic Planning
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
Advanced · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Software Design Documents, Prototyping, Video Game Development, Software Documentation, Conceptual Design, Ideation, Usability Testing, Peer Review
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
Beginner · Project · Less Than 2 Hours