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: Data Centers, Ansible, Open Shortest Path First (OSPF), Network Switches, Computing Platforms, Virtual Networking, Virtual Local Area Network (VLAN), Network Infrastructure, Network Engineering, Border Gateway Protocol, Infrastructure Security, Network Monitoring, Data Storage Technologies, Automation, Event Monitoring, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Data Import/Export, Verification And Validation, User Interface (UI) Design, Server Side, Web Development
Beginner · Specialization · 1 - 3 Months

JetBrains
Skills you'll gain: Large Language Modeling, Generative AI Agents, Software Development Tools, IntelliJ IDEA, Artificial Intelligence, AI Product Strategy, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Integrated Development Environments, Agentic systems, Software Development, Generative AI, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), User Experience Design, UI Components, Responsive Web Design, Animations, Web Content Accessibility Guidelines, User Interface (UI) Design, Design Strategies, Prototyping, Collaborative Software, Software Documentation
Intermediate · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Application Deployment, Application Development, Code Review, Software Development, Prototyping, Web Applications, JavaScript Frameworks, Software Engineering, Javascript, Computational Thinking, Version Control, Programming Principles, Program Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, GitHub, Web Design, Git (Version Control System), Browser Compatibility, Front-End Web Development, Web Development, Cloud Hosting, Usability, Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Anomaly Detection, Microsoft Azure, Computer Vision, Image Analysis, Artificial Intelligence, Natural Language Processing, Cloud API, Data-Driven Decision-Making, Text Mining, Application Programming Interface (API), Time Series Analysis and Forecasting, Web Services, Restful API
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Computational Thinking, Failure Analysis, Biological Engineering, Hazard Analysis, Simulations, Chemical Engineering, Model Evaluation, Applied Mathematics, Differential Equations, Probability
Build toward a degree
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud-Native Computing, Kubernetes, Continuous Delivery, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), System Monitoring, Serverless Computing, Performance Testing, Scenario Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Prototyping, Responsive Web Design, UI Components, Layout Design, User Interface (UI) Design, Version Control
Mixed · Course · 1 - 3 Months

Skills you'll gain: Color Matching, Video Production, Image Quality, Post-Production, Video Editing, Color Theory, Cinematography
Beginner · Course · 1 - 4 Weeks