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.

Johns Hopkins University
Skills you'll gain: Writing, Writing and Editing, Literacy, Storytelling, Creativity, Persuasive Communication
★ 4.6 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regulatory Requirements, Sarbanes Oxley Act (SOX) Compliance, Governance, Financial Regulations, Regulatory Compliance, Law, Regulation, and Compliance, Financial Regulation, Compliance Management, Governance Risk Management and Compliance, Bank Regulations, Business Ethics, Risk Management Framework, Risk Management, Risk Control, Stakeholder Management, Stakeholder Engagement, Stakeholder Analysis, Ethical Standards And Conduct, Internal Controls, Accountability
★ 4.6 (19) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Memory Management, Software Visualization, Performance Tuning
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, AI literacy, Data Ethics, Generative AI, Artificial Intelligence, Exploratory Data Analysis, Data Cleansing, Data-Driven Decision-Making, Real Time Data, Data Analysis, AI Integrations, AI Workflows, OpenAI API, Automation, Data Validation
★ 4 (7) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
★ 4.9 (11) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, Virtual Environment, Animations, User Interface (UI), UI Components, User Interface (UI) Design, Program Development, Debugging, Scripting, C# (Programming Language)
★ 5 (18) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Web Design and Development, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
★ 4.9 (11) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Peer Review, Data Literacy, Research, Quantitative Research, Report Writing, Analytical Skills, Science and Research, Data Analysis, Research Methodologies
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Servers, Linux Administration, Scripting, Network Troubleshooting, Scripting Languages, Command-Line Interface, Development Environment, Systems Administration, Virtual Machines, Virtualization, Software Installation, File Management, User Accounts
★ 5 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, Test Tools, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Data Structures
★ 4.6 (7) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Payment Systems, Risk Analysis, Blockchain, Risk Management, FinTech, Financial Regulations, Market Liquidity, Cyber Risk, Financial Systems, Financial Regulation, Digital Assets, Liquidation, Distributed Denial-Of-Service (DDoS) Attacks, Banking, Regulatory Requirements, Regulatory Compliance, Asset Management, Agentic systems, Governance, Market Dynamics
★ 5 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, Debugging, Frontend Integration, Full-Stack Web Development, Animations, Web Applications, Test Tools, Unit Testing, FinTech, Application Development, Javascript, Emerging Technologies, Virtual Machines, Software Testing, Integrated Development Environments, Other Programming Languages
★ 4.5 (10) · Intermediate · Specialization · 3 - 6 Months