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.

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: Data Visualization, Dashboard Creation, Spreadsheet Software, Performance Reporting, Business Intelligence, Business Analytics, Business Reporting, Data Preprocessing
★ 5 (13) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Ancient History, Anthropology, Culture, Social Studies, Case Studies, Social Sciences, World History, Human Development, Cultural Diversity, Research, Environment, Biology, Environmental Science
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, Network Routers, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Local Area Networks, Network Infrastructure, Network Troubleshooting, Network Performance Management, Security Controls, Virtual Networking, Network Analysis, Authentications
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Trend Analysis, Financial Data, Market Trend, Data-Driven Decision-Making, Plot (Graphics), Financial Analysis, Technical Analysis, Market Data, Financial Trading, Financial Market, Correlation Analysis, Python Programming, Data Manipulation, Data Structures, Data Import/Export
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Deep Learning, Model Training, Artificial Intelligence and Machine Learning (AI/ML), PyTorch (Machine Learning Library), Tensorflow, Machine Learning, Quantum computing, Applied Machine Learning, Machine Learning Algorithms, Artificial Intelligence, Model Optimization, Artificial Neural Networks, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Build Tools, Authorization (Computing), Data Validation
★ 4.8 (15) · Intermediate · 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

Skills you'll gain: Model Training, Fine-tuning, Model Evaluation, Model Optimization, Machine Learning Methods, Predictive Modeling, Tensorflow, Statistical Machine Learning, MLOps (Machine Learning Operations), Computer Vision, Applied Machine Learning, Performance Testing, Transfer Learning, Feature Engineering, Scikit Learn (Machine Learning Library), Verification And Validation, Network Architecture, Deep Learning, Benchmarking, PyTorch (Machine Learning Library)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), User Interface (UI) Design, Interactive Design, User Interface (UI), Design Elements And Principles, Web Content Accessibility Guidelines, Usability, Code Reusability, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Development Environment, Computer Graphics, Graphics Software, Cross Platform Development, Computer Graphic Techniques, Video Game Development, Computer Programming Tools, Program Development, Build Tools, Software Installation, System Configuration
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks