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: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Maintainability, Programming Principles, Computer Programming, Python Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Business Research, Surveys, Survey Creation, Qualitative Research, Data Quality, Persona Development, Sample Size Determination, Data Governance, File Management, Sampling (Statistics), Market Research, Marketing Analytics, Return On Investment, Focus Group, Quantitative Research, General Data Protection Regulation (GDPR), Key Performance Indicators (KPIs), Research Design, Research Methodologies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Diversity Awareness, Empathy, Intercultural Competence, Cultural Sensitivity, Workplace inclusivity, Social Justice, Cultural Diversity, Empowerment, Social Impact, Self-Awareness, Innovation, Productivity, Autism Spectrum Disorders
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Excel Macros, Business Process Automation, Visual Basic (Programming Language), Microsoft Excel, Automation, Microsoft Development Tools, Business Process, Microsoft 365, Spreadsheet Software, Data Import/Export, Workflow Management, Data Wrangling, Development Environment, Maintainability, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Brand Strategy, Brand Marketing, Brand Management, Branding, Storytelling, AI Personalization, Dashboard Creation, Personalized Campaigns, Brand Loyalty, Predictive Analytics, Digital Brand Strategy, Strategic Marketing, Cross-Channel Marketing, AI powered creativity, Dashboard, Brand Awareness, Data Ethics, Responsible AI, Content Performance Analysis, Marketing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Graphics Software, Digital Design, Design Software, Graphical Tools, Design Elements And Principles, Computer Graphic Techniques, Creativity, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Overcoming Objections, Closing (Sales), Rapport Building, B2B Sales, Price Negotiation, Negotiation, Sales, Communication, Influencing, Collaboration, Compensation Strategy
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Physics, Materials science, Physical Science, Mathematical Modeling, Advanced Mathematics
★ 4.7 (7) · Beginner · Course · 1 - 4 Weeks

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