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.
Madecraft
Skills you'll gain: Social Network Analysis, Fraud detection, Network Analysis, Network Model, Databases, Analytics, Social Media Analytics, Relational Databases, Query Languages, Database Design, Marketing Analytics, Solution Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Anomaly Detection, Image Analysis, Text Mining, Unsupervised Learning, Microsoft Azure, Data Ethics, Natural Language Processing, AI Workflows, Computer Vision, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Software, Model Training, Regression Analysis, Artificial Intelligence, No-Code Development, AI literacy, Predictive Modeling, Machine Learning
★ 4.5 (1.6K) · Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (786) · Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Setting Appointments, Meeting Facilitation, Google Workspace, Google Sheets
★ 4.7 (642) · Beginner · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Web Design, Web Design and Development, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Hypertext Markup Language (HTML), Information Architecture, Web Presence, Web Development, Content Management Systems, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management
★ 3.3 (585) · Mixed · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Javascript, Semantic Web, Web Content Accessibility Guidelines, Browser Compatibility, Development Environment, Web Content, GitHub, Web Analytics and SEO, Software Installation, Application Deployment
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux, Package and Software Management, Linux Commands, Linux Servers, Unix Commands, Command-Line Interface, Systems Administration, Unix Shell, Network Troubleshooting, Operating Systems, Firewall, File Systems, Hardening, Authorization (Computing), IT Automation, Computer Networking, User Accounts, Network Protocols
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Laboratory Research, Laboratory Experience, Science and Research, Scientific Methods, Experimentation, Molecular Biology, Research Design, Biology, Biotechnology, Laboratory Equipment, Specimen Preparation, Life Sciences, Cell Biology, Verification And Validation
★ 4.8 (9) · Beginner · Course · 1 - 3 Months

Immersify
Skills you'll gain: Endocrinology, Nephrology, Urology, Gynecology, Physiology, Sensory Systems Analysis, Anatomy, Obstetrics And Gynecology, Neurology, Immunology, Biology, Pathology, Health Assessment
★ 4.1 (11) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Pandas (Python Package), Plot (Graphics), Exploratory Data Analysis, Microsoft Excel, Statistical Visualization, Pivot Tables And Charts, Data Manipulation, Box Plots, Data Visualization, Descriptive Statistics, Time Series Analysis and Forecasting, Data Cleansing, Spreadsheet Software, Data Transformation, Feature Engineering, Data Wrangling, Data Import/Export, Data Analysis, Data Integration, Python Programming
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Bash (Scripting Language), Linux Administration, Shell Script, Linux, OSI Models, Unix, Unix Shell, Network Troubleshooting, grep, Systems Administration, Linux Servers, Linux Commands, Network Administration, Command-Line Interface, Operating Systems, Firewall, User Accounts, Network Routers, File Management, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Content Marketing, Prompt Patterns, AI Workflows, Marketing Materials, Marketing Design, Multimodal Prompts, Content Creation, Workflow Management, Generative AI, AI literacy, Process Design, Process Mapping, AI Integrations, Style Guides, Branding, Graphic and Visual Design, Standard Operating Procedure, Benchmarking
Beginner · Course · 1 - 3 Months