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.

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Dashboard Creation, Dashboard, Spreadsheet Software, Business Reporting, Interactive Data Visualization, Data Visualization, Excel Formulas, Data Import/Export, Data Cleansing, Data Analysis Software, Timelines
★ 4.8 (17) · Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
★ 3.8 (17) · Intermediate · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Data Preprocessing, Data Wrangling, Data Processing, Extract, Transform, Load, Data Architecture, Data Pipelines, Data Integration
★ 4.5 (31) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Testing, Test Case, Software Development Life Cycle, Software Quality Assurance, White-Box Testing
★ 4.6 (27) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Manufacturing Processes, Process Validation, Production Process, Manufacturing and Production, Laboratory Equipment, Systems Of Measurement, Process Analysis, Process Control, Machine Controls, Materials science, Laboratory Testing
★ 4.9 (24) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Configuration Management, Software Testing, Test Automation, Software Quality Assurance, Test Engineering, Risk Management, Risk Management Framework, Issue Tracking
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Peer Review, Analytical Skills, Complex Problem Solving, Data Synthesis, Data Literacy, Data Analysis, Constructive Feedback, Value Propositions, Data Integration, Exploratory Data Analysis, Data Presentation, Presentations
★ 4.2 (55) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
★ 4.5 (17) · Intermediate · Specialization · 3 - 6 Months

University of Glasgow
Skills you'll gain: Model Training, Model Evaluation, Matlab, Data Visualization, Data Preprocessing, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Statistical Methods, Mathematical Software, Data Literacy, Statistical Machine Learning, Data Wrangling, Applied Mathematics, Data Validation, Data Quality, Mathematical Modeling, Engineering Analysis, Artificial Neural Networks
★ 5 (143) · Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Infant Care, Nutrition Education, Pediatrics, Nutrition Counseling, Nutrition and Diet, Childhood Education and Development, Child Welfare, Meal Planning And Preparation, Working With Children, Nutritional Assessment, Child Development, Preventative Care, Health Education, Caregiving, Food Safety and Sanitation, Public Health and Disease Prevention, Health Assessment, Health Care, Public Health, Health Equity
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, .NET Framework, JSON, Application Programming Interface (API), API Design, Application Frameworks, Web Services, Middleware, Back-End Web Development, Extensible Markup Language (XML)
★ 4 (69) · Intermediate · Course · 1 - 4 Weeks

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Cyber Governance, Incident Management, Incident Response, Security Management, Human Factors (Security), Security Awareness, Cybersecurity, ISO/IEC 27001, Computer Security Awareness Training, Cyber Risk
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks