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.

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, Numerical Analysis, General Science and Research, Image Quality, Data Analysis Software, Scientific Methods
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Other Programming Languages, Software Design, Ruby (Programming Language), Programming Principles, Data Structures, Computer Programming, Functional Design, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Load Balancing, Containerization, Data Persistence, Data Storage, General Networking, Network Security, Configuration Management
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, File Management, Command-Line Interface, Unix, Bash (Scripting Language), grep, Servers, Operating Systems, File Systems, Shell Script, Web Servers, IT Automation, Apache, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Power BI, Databricks, Data Processing, Database Administration, Microsoft SQL Servers, Data Warehousing, Database Theory, Databases, Cloud Services, Data Architecture, NoSQL, Apache Spark, Relational Databases, Database Systems, Cloud Storage, MySQL, Database Management Systems, Data Store
Beginner · Specialization · 3 - 6 Months

University of Manchester
Skills you'll gain: Chemistry, Physical Science, Physics, Laboratory Experience, Experimentation, Mechanics, Applied Mathematics
Mixed · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: World History, Political Sciences, International Relations, European History, Social Sciences, Diplomacy, Governance, Cultural Diversity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, C++ (Programming Language), C and C++, Computer Programming, Computational Logic, Computer Science
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Project Finance, Construction Management, Real Estate, Commercial Construction, Cash Flows, Construction, Financial Modeling, Property and Real Estate, Cash Flow Forecasting, Risk Management, Finance, Project Risk Management, Lean Methodologies, Financial Analysis, Capital Budgeting, Financial Planning, Commercial Real Estate, Risk Analysis, Business Mathematics, Strategic Partnership
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Instagram, Video Editing, Content Scheduling, Content Performance Analysis, Drive Engagement, Storytelling, Social Media Analytics, Social Media Content, Canva (Software), Content Optimization, Content Creation, Design Elements And Principles, Paid media, Graphic and Visual Design, Driving engagement, Competitive Analysis, Content Strategy, Analytics, Visual Design, Marketing
Beginner · Specialization · 3 - 6 Months