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: Management Training And Development, Trustworthiness, Team Building, Team Performance Management, Team Leadership, Team Management, Leadership and Management, Rapport Building, Employee Onboarding, Team Collaboration, Organizational Leadership, Leadership, Leadership Development, People Management, Employee Coaching, Drive Engagement, Recognizing Others, Coaching, Planning, Communication
★ 4.5 (8) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Extensible Languages and XML, Event-Driven Programming, Network Protocols
★ 3.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, Mobile Development, User Interface (UI) Design, User Interface (UI), UI Components, Debugging, C# (Programming Language), Development Testing, Scripting, Android (Operating System), Development Environment, Animations, Programming Principles, Event-Driven Programming, Software Installation
★ 4.3 (9) · Intermediate · Specialization · 3 - 6 Months

University of the Arts London
Skills you'll gain: Sustainable Development, Sustainable Systems, Corporate Sustainability, Community Development, Systems Thinking, Design, Ideation, Prototyping
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Customer Retention, Sales Strategy, Upselling, General Sales Practices, Customer Acquisition Management, Revenue Management, Selling Techniques, Customer Relationship Building, Telecommuting, Growth Strategies, Promotional Strategies, Entrepreneurship, Product Promotion, Customer Service, Search Engine Optimization, Subcontracting, Copywriting
Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Embedded Systems, Embedded Software, Machine Controls, Control Systems, Robotics, Cyber Engineering, Internet Of Things, C (Programming Language), Automation, Simulation and Simulation Software, Integration Testing, Systems Integration, Cloud Computing, Integrated Development Environments, Computer Architecture, Electronic Components, Matlab
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Code Reusability, Object Oriented Design, Data Structures, Javascript and jQuery, Programming Principles, Data Management, Microsoft Development Tools, Program Development
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Routing Protocols, Network Switches, Computing Platforms, Software-Defined Data Center (SDDC), Virtual Networking, Virtual Local Area Network (VLAN), IT Automation, Security Controls, Network Infrastructure, Devops Tools, Network Engineering, Authorization (Computing), Network Routers, Network Architecture, Network Routing, Infrastructure Security, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
★ 5 (8) · Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Application Security, Secure Coding, Security Software, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, PHP (Scripting Language), Application Frameworks, Browser Compatibility, Computer Programming
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: Public Policies, Climate Change Programs, International Relations, Policy Analysis, Public Health, Economic Development, Environmental Issue, Infectious Diseases, Sustainable Development, Socioeconomics, Climate Change Adaptation, Environmental Policy, Health Disparities, Information Technology, Social Sciences, Demography, Climate Change Mitigation, Emerging Technologies, Cybersecurity, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Network Routers, Network Architecture, Local Area Networks, Networking Hardware, Network Troubleshooting, Network Protocols, Network Security, System Configuration
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months