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.

Board Infinity
Skills you'll gain: DevSecOps, DevOps, Application Security, Secure Coding, Security Testing, Continuous Delivery, CI/CD, Continuous Integration, Containerization, Vulnerability Scanning, Vulnerability Management, Security Management, Automation
★ 4.4 (23) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Vibe coding, Model Context Protocol, Prompt Engineering, Claude Code, Responsible AI, Prompt Patterns, Prompt Engineering Tools, Anthropic Claude, LLM Application, AI Orchestration, Authentications, Agentic Workflows, AI Integrations, AI Workflows, AI Enablement, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems
★ 4.4 (12) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Model Evaluation, Model Training, Hugging Face, Data Preprocessing, Fine-tuning, Model Optimization, Transfer Learning, Generative AI
★ 4.5 (22) · Beginner · Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Qualitative Research, Interviewing Skills, Research Methodologies, Case Studies, Data Collection, Research, Analytical Skills, Psychology
★ 4.7 (18) · Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Cultural Diversity, Culture, Anthropology, Aesthetics, Liberal Arts, Psychology, Physics, Biology
★ 4.7 (18) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Mining, Unsupervised Learning, Data Science, Anomaly Detection, Machine Learning Methods, Statistical Methods, Linear Algebra, Python Programming, Classification Algorithms
★ 4.7 (13) · Advanced · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Innovation, Entrepreneurship, Strategic Thinking, New Business Development, Business Strategies, Business Modeling, Growth Strategies, Target Audience, Business Transformation, Target Market, Customer Analysis, Value Propositions, Case Studies
★ 4.7 (19) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Generative AI, Generative Model Architectures, Applied Machine Learning, Machine Learning Methods, Graph Theory, Network Analysis, Artificial Neural Networks, Network Model, Health Informatics, Laboratory Experience, Autoencoders, Predictive Modeling, Unsupervised Learning, Data Synthesis
★ 3.5 (16) · Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Network Planning And Design, Network Engineering, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
★ 3.8 (16) · Mixed · Course · 1 - 3 Months

Council on Foreign Relations
Skills you'll gain: International Relations, Diplomacy, World History, Political Sciences, Public Policies, International Finance, Economics, Policy, and Social Studies, Climate Change Programs, Public Health, Economic Development, Governance, Policy Development, Social Sciences, Environmental Issue, Socioeconomics, Policy Analysis, Research, and Development, Policy Analysis, Economics, Decision Making, Strategic Thinking
★ 4.4 (16) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File I/O, Debugging, Data Processing, Application Development, Code Reusability, Maintainability, File Management, File Systems, Programming Principles, Computer Programming, Python Programming, System Configuration, Operating Systems, Software Development, Virtual Machines, Cross Platform Development
★ 4.7 (23) · Beginner · Specialization · 1 - 3 Months