TOEFL preparation courses can help you learn reading comprehension, listening skills, writing techniques, and speaking strategies. You can build skills in time management for test-taking, understanding question formats, and developing effective study habits. Many courses introduce practice tests and online resources that simulate the actual exam environment, helping you familiarize yourself with the test's structure and timing.

University of Colorado System
Skills you'll gain: Machine Learning, Model Evaluation, Applied Machine Learning, Artificial Intelligence, Data Modeling, Supervised Learning, Predictive Modeling, Classification Algorithms, Health Informatics, Diagnostic Tests, Decision Support Systems, Unsupervised Learning, Reinforcement Learning, Regression Analysis, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, React Redux, Full-Stack Web Development, React.js, Authentications, Node.JS, Front-End Web Development, Authorization (Computing), User Accounts, User Interface (UI), GitHub, Command-Line Interface
Advanced · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, DevSecOps, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Software Development Life Cycle, Software Testing, API Testing, Threat Modeling, Application Programming Interface (API), Cloud Security, Risk Management Framework, Change Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, SQL Server Integration Services (SSIS), Data Visualization Software, Relational Databases, Data Management, Advanced Analytics, Data Analysis, Data Preprocessing, Data Cleansing, Business Intelligence, Forecasting
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Verbal Communication Skills, Dealing With Ambiguity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Virtual Networking, Network Monitoring, Firewall, Network Planning And Design, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, IT Security Architecture, Security Controls, Cloud Security, Encryption, Data Security, Network Administration, Information Assurance, Cybersecurity, Identity and Access Management, Penetration Testing, Cloud Computing, Cyber Risk, Vulnerability Scanning, Authorization (Computing), Computer Security Incident Management, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Agile Product Development, Jira (Software), Agile Methodology, Estimation, Backlogs, Agile Project Management, Sprint Planning, Project Management Software, User Story, ChatGPT, AI Enablement, AI Workflows, Team Management, Prioritization
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Query Languages, Data Analysis, Software Installation, Performance Tuning, Distributed Computing, Scalability, Data Modeling, Cloud Deployment
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Digital pedagogy, Debugging, Algorithms, Data Structures, Integrated Development Environments
Beginner · Course · 1 - 3 Months

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Meal Planning And Preparation, Nutrition Education, Nutrition Counseling, Nutritional Assessment, Sports Medicine
Beginner · Course · 1 - 4 Weeks