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: Unix Shell, Unix Commands, z/OS, Shell Script, Unix, File Systems, Job Control Language (JCL), Operating Systems, Command-Line Interface, OS Process Management, File Management, Mainframe Computing, Debugging, Identity and Access Management
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Design Thinking, Brainstorming, Creative Thinking, Creativity, Creative Problem-Solving, Ideation, Human Centered Design, Problem Solving, Innovation, Self-Awareness
★ 4.8 (10) · Beginner · 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, Policy Development, Climate Change Programs, Public Health and Disease Prevention, Public Health, Economic Development, Governance, Social Sciences, Environmental Issue, Policty Analysis, Research, and Development, Policy Analysis, Economics, Decision Making, Strategic Thinking
★ 4.8 (12) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Windows PowerShell, Scripting, Microsoft Windows, Shell Script, Scripting Languages, Command-Line Interface, IT Automation
★ 4.5 (13) · Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: File I/O, Debugging, Go (Programming Language), Programming Principles, C (Programming Language), Program Development, Data Structures, Computer Programming, C and C++, Algorithms
★ 3.9 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: ChatGPT, Prompt Patterns, Quick Learning, Overcoming Obstacles, Responsible AI, Learning Strategies, Context Engineering, Generative AI, AI powered creativity, AI literacy, Storytelling, Writing, Artificial Intelligence
★ 4.7 (23) · Intermediate · Course · 1 - 3 Months

Goodwill Industries International
Skills you'll gain: digital literacy, Training Programs, Educational Materials, Relationship Building, Community Development, Community Outreach, Research, Digital Transformation, Workplace inclusivity, Rapport Building, Curriculum Planning, Needs Assessment, Program Evaluation, Planning, Collaboration, Data Mapping, Cultural Responsiveness, Goal Setting, Communication Strategies
★ 4.7 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Authentications, Authorization (Computing), Microsoft Azure, Identity and Access Management, Active Directory, User Provisioning, Role-Based Access Control (RBAC), Enterprise Application Management, Single Sign-On (SSO), User Accounts, Cloud Security, Security Engineering, Multi-Factor Authentication
★ 4.1 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Responsive Web Design, Scripting, Scripting Languages, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Visualization (Computer Graphics), Java
★ 4.4 (71) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Angular, Bootstrap (Front-End Framework), JavaScript Frameworks, Authentications, Web Applications, Web Design and Development, Role-Based Access Control (RBAC), Frontend Integration, Responsive Web Design, UI Components, Code Reusability, Data Validation, Software Testing, Data Management
★ 4.6 (27) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrophysiology, Kinesiology, Exercise Science, Human Musculoskeletal System, Coordination, Exercise Therapy, Neurology, Sports Medicine, Physiology, Anatomy
★ 4.6 (10) · Intermediate · Course · 1 - 4 Weeks