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: Information Architecture, UI/UX Research, User Research, Content Management, UI/UX Strategy, Design Research, User Experience, Content Strategy, Experience Design, User Experience Design, Human Centered Design, User Centered Design, User Interface and User Experience (UI/UX) Design, Web Design, Persona (User Experience), Usability, Interaction Design, Product Design, Web Development, Web Applications
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Performance Stress Testing, Cross Platform Development, Hardware Architecture, Computing Platforms, Program Development, Application Frameworks, Software Installation, Development Environment
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Enterprise Security, Identity and Access Management, Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Data Sharing, Responsive Web Design, User Accounts, Customer Relationship Management (CRM) Software, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: High Voltage, Low Voltage, Electrical Power, Electric Power Systems, Civil Engineering, Construction Engineering, Electrical Engineering, Engineering, General Construction and Construction Labor, Matlab, Engineering Analysis, Mathematical Software, Electrical Equipment, Engineering Calculations, Electrical Safety, Surveys, Maintenance, Repair, and Facility Services, Environmental Engineering, Geospatial Information and Technology, Laboratory Testing
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Manipulation, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Mainframe Computing, Computer Architecture, Mainframe Technologies, System Programming, Computational Logic, Programming Principles, Computer Programming, Computer Science, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Lead Generation, Search Engine Optimization, Account Strategy, Keyword Research, Prospecting and Qualification, Sales Prospecting, Upselling, B2B Sales, Sales Strategy, Marketing Strategy and Techniques, Sales Process, Content Marketing, Demand Generation, Personalized Campaigns, Content Creation
Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Token Optimization, Embeddings, Retrieval-Augmented Generation, Vector Databases, Model Optimization, Large Language Modeling, Performance Tuning
Beginner · Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Quantitative Research, Statistical Software, Correlation Analysis, Statistical Analysis, Data Analysis, Probability & Statistics, Statistical Methods, Descriptive Statistics, Data Analysis Software, Statistical Inference, Statistics, Psychology, Regression Analysis, Research
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Social Impact, Artificial Intelligence, Research Reports, Socioeconomics, Environmental Monitoring
Beginner · Course · 1 - 4 Weeks

University of Huddersfield
Skills you'll gain: Applied Mathematics, Analytical Skills, Calculus, Advanced Mathematics, Model Optimization, Logical Reasoning, Analysis, Data-Driven Decision-Making, Integral Calculus, Derivatives
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Cloud Engineering, Amazon CloudWatch, Amazon Elastic Compute Cloud, Failure Analysis, Site Reliability Engineering, Failure Mode And Effects Analysis, Test Engineering, Scenario Testing, Disaster Recovery, Cloud Infrastructure, AWS Identity and Access Management (IAM), Simulations, System Testing, Operational Databases
Beginner · Course · 1 - 3 Months