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.

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Architecture, Data Security, Extract, Transform, Load, Database Architecture and Administration, Security Controls, Security Management, Data Transformation, Data Storage, Database Theory, Relational Databases, Solution Design, Database Management Systems
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Closing (Sales), Price Negotiation, Sales Territory Management, Decision Making, B2B Sales, Selling Techniques, Negotiation, Sales Pipelines, General Sales Practices, Enterprise Sales, Sales Strategy, Contract Negotiation, Stakeholder Analysis, Stakeholder Management, Sales Prospecting, Business Communication, Planning, Strategic Decision-Making, Strategic Thinking, Data-Driven Decision-Making
Intermediate · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Research Design, Research, Experimentation, Clinical Trials, Clinical Research Ethics, Science and Research, Scientific Methods, Program Evaluation, Statistical Methods, Sample Size Determination, Public Health and Disease Prevention
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, General Networking, Network Model, Network Infrastructure, Computer Networking, Network Architecture, Network Routing, Network Routers, Network Monitoring, Cloud Computing, Networking Hardware, Command-Line Interface, Cloud Solutions, Network Performance Management, Network Switches
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Supervised Learning, Exploratory Data Analysis, Classification Algorithms, Machine Learning Algorithms, Applied Machine Learning, Model Deployment, Decision Tree Learning, Logistic Regression, Data Analysis, Scikit Learn (Machine Learning Library), Machine Learning, Data Preprocessing, Python Programming, Pandas (Python Package), Seaborn, NumPy, Data Visualization, Statistical Visualization
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Import/Export, Alteryx, No-Code Development, Data Visualization, Data Presentation, Business Analytics, Data Governance, Workflow Management, Analytics, Operational Efficiency, Interactive Data Visualization, Enterprise Application Management, Business Reporting, Data Wrangling, Data Cleansing, Data Management, Data Manipulation, Data Analysis Software, Data Transformation, Automation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Mobile Development Tools, Code Reusability, Back-End Web Development, UI Components, Server Side, Google Cloud Platform, Cloud Development, Frontend Integration, MongoDB, Interoperability, User Interface (UI), Web Applications, Systems Integration, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Support, Help Desk Support, Conflict Management, Rapport Building, Relationship Building, Information Technology, Business Relationship Management, Professional Networking, Verbal Communication Skills, Knowledge Transfer, Initiative and Leadership, Ethical Standards And Conduct, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Analysis, Process Analysis, Business Analysis Tools, Business Process, Business Requirements, Timelines, Simulation and Simulation Software, Requirements Analysis, Stakeholder Engagement, Requirements Management, Customer Relationship Management, Risk Management
Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Decision Intelligence, Responsible AI, Generative AI Agents, Predictive Modeling, Agentic Workflows, Decision Support Systems, Business Intelligence, Data-Driven Decision-Making, Strategic Decision-Making, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Data Storytelling, Predictive Analytics, Machine Learning, Scikit Learn (Machine Learning Library), Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Metasploit, Brute-force attacks, System Configuration, General Networking, Network Security, Penetration Testing, Wireless Networks, Exploitation techniques, Intrusion Detection and Prevention, Linux, Vulnerability Scanning, Linux Commands, Encryption, Network Analysis, Software Installation, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Marketing Operations, Sales Presentation, Customer experience strategy (CX), Operations Management, MarTech, Marketing Management, Strategic Marketing, Marketing Planning, Media Planning, Marketing Strategy and Techniques, Supply Chain Systems, Customer experience improvement, Marketing Strategies, Customer Relationship Management, Sales Presentations, Sales Management, Customer Retention, Branding, Supply Chain, Forecasting
Build toward a degree
Beginner · Course · 1 - 3 Months