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.

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Research, Scientific Methods, Ethical Standards And Conduct, Research Methodologies, Informed Consent, Psychology, Research and Design
★ 4.9 (82) · Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Web Development, Application Frameworks, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Open Source Technology, Command-Line Interface
★ 4 (80) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Statistical Visualization, Surveys, Tidyverse (R Package), Data Analysis, Demography, Public Administration, R (Software), Policy Analysis, Public Policies, R Programming, Statistical Programming, Analytics, Data Transformation, Programming Principles, Data Manipulation
★ 4.5 (61) · Intermediate · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Coaching, Leadership Development, Leadership, Strategic Leadership, People Development, Professional Development, Organizational Leadership, Visionary, Personal Development, Lifelong Learning, Planning
★ 4.8 (84) · Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Constructive Feedback, Decision Making, Recognizing Others, Peer Review, Personal Development, Self-Awareness, Growth Mindedness, Decision Intelligence, Editing, Scheduling, Leadership, Creativity, Communication, People Management
★ 4.6 (72) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Release Management, Cloud Infrastructure, Software Installation, Application Lifecycle Management, Performance Tuning, Cloud Computing, General Networking, Systems Architecture, Software Architecture, Network Model, Memory Management
★ 4.2 (68) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Training, Data Import/Export, Model Evaluation, No-Code Development, Exploratory Data Analysis, Predictive Modeling, Applied Machine Learning, Data Pipelines, Machine Learning Software, Data Preprocessing, Data Analysis, Machine Learning, Predictive Analytics
★ 4.5 (62) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Automation, Web Presence, AI Personalization, Web Design, AI powered creativity, Web Design and Development, Automation, AI Integrations, Responsive Web Design
★ 4.2 (77) · Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: PySpark, Snowflake Schema, Databricks, Data Pipelines, Apache Spark, MLOps (Machine Learning Operations), Apache Hadoop, Data Architecture, Big Data, Data Warehousing, Data Quality, Data Integration, Data Processing, DevOps, Model Training, Model Deployment, Distributed Computing, Data Transformation, SQL, Python Programming
★ 3.9 (71) · Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Mental Health, Preventative Care, Personal Care, Community Health, Self-Awareness, Health Education, Culture, Health Promotion, Habit Formation, Accident Prevention, Productivity, Health Technology, Physiology
★ 4.6 (56) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Probability & Statistics, Statistical Analysis, Statistics, Data Literacy, Data Visualization, Statistical Hypothesis Testing, Statistical Visualization, Descriptive Statistics, Data Analysis, Analytics, Statistical Methods, Histogram, Plot (Graphics), Probability, Simulations, Probability Distribution, Correlation Analysis, Statistical Inference, Estimation, Sampling (Statistics)
★ 4.8 (63) · Beginner · Course · 1 - 4 Weeks