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: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Database Development, Software Architecture, Software Design Patterns, Maintainability
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Database Application, Python Programming, Unit Testing, Computer Programming, Restful API, Cross Platform Development, Package and Software Management, Scripting, Data Science, Program Development, Computer Programming Tools, Software Development, Data Processing, Debugging, Programming Principles, User Interface (UI) Design, Regression Analysis, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Prompt Engineering Tools, Model Evaluation, Fine-tuning, Agentic systems, Model Optimization
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Development, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, User Interface (UI), Authentications, Development Environment, Web Applications, Frontend Performance, Cascading Style Sheets (CSS), Continuous Deployment, Web Frameworks, Continuous Integration, Frontend Integration
Advanced · Specialization · 1 - 3 Months

Codio
Skills you'll gain: Matplotlib, Statistical Methods, Statistical Hypothesis Testing, Plot (Graphics), Data Analysis, Statistical Analysis, Data Import/Export, Data Visualization, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Data Wrangling, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Scripting, Computational Logic
Mixed · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Artifactory, Apache Maven, CI/CD, DevOps, Devops Tools, Build Tools, Java, GitHub, Git (Version Control System), Software Installation, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks
Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, Open Shortest Path First (OSPF), Virtual Private Networks (VPN), Wide Area Networks, Network Architecture, Network Troubleshooting, Network Support, TCP/IP, Network Routers, Network Planning And Design, Network Monitoring, Networking Hardware, Network Protocols, Network Administration, System Configuration, System Implementation, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Script Development, Selenium (Software), Code Reusability
★ 2.2 (9) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Tableau Software, Presentations, Storytelling, Technical Communication, Data Analysis, Stakeholder Communications, Spatial Analysis
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Self-Discipline, Time Management, Stress Management, Resilience, Productivity, Personal Development, Decisiveness, Mindfulness, Behavioral Management
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Web Development Tools, Javascript, Responsive Web Design, Web Content, Web Presence, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Database Management, Data Security, Relational Databases, Disaster Recovery, Cloud Management, Databases, System Monitoring, Data Storage, Data Management, Continuous Monitoring, Microsoft SQL Servers, Event Monitoring, IT Infrastructure, Role-Based Access Control (RBAC), Encryption
★ 5 (10) · Intermediate · Course · 1 - 4 Weeks