English pronunciation courses can help you learn vowel and consonant sounds, intonation patterns, and stress placement. You can build skills in clear speech, effective listening, and accent reduction techniques. Many courses introduce tools like phonetic charts and pronunciation apps, which assist in practicing sounds and tracking progress.

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

Skills you'll gain: C and C++, Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, Programming Principles, File I/O, Development Environment
★ 2.8 (6) · Mixed · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Regression Analysis, Correlation Analysis, Spreadsheet Software, Business Analysis, Data-Driven Decision-Making, Data Modeling, Business Modeling, Business Analytics, Microsoft Excel, Business Solutions, Statistical Analysis, Mathematical Modeling, Data Analysis Software, Excel Formulas, Analysis, Statistical Methods, Forecasting, Data Analysis, Operations Research, Business Strategy
★ 4.7 (33) · Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Risk Management, Risk Management Framework, Risk Mitigation, Risk Analysis, Risk Appetite, Business Risk Management, Project Risk Management, Enterprise Risk Management (ERM), Contingency Planning, Governance Risk Management and Compliance, Business Continuity Planning, Business Continuity, Stakeholder Management, Compliance Reporting, Performance Reporting, Stakeholder Communications, Stakeholder Engagement, Project Documentation
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Oral Expression, Teamwork, Personal Attributes, Professionalism, Corporate Communications, Meeting Facilitation, Office Procedures, Communication Strategies, Report Writing, Web Presence
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Education Software and Technology, Digital pedagogy
★ 4.7 (47) · Beginner · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
★ 4.6 (141) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Cyber Security Policies, Information Systems Security, Security Controls, Infrastructure Security, Threat Detection, System Monitoring, Linux Administration, Linux Servers, Linux, Linux Commands, Data Integrity
★ 3.9 (63) · Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Regression Analysis, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Mathematical Modeling, Numerical Analysis, Equities, Model Optimization, Python Programming, Algorithms, Case Studies
★ 4.4 (46) · Intermediate · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Development, Corporate Sustainability, Sustainability Standards, Sustainable Business, Investment Management, Environmental Regulations, Sustainability Reporting, Business Ethics, Regulatory Compliance, Environmental Issue, Regulatory Requirements, Risk Analysis, Investments, Social Impact, Water Sustainability, Corporate Strategy, Portfolio Risk, Portfolio Management, Financial Market
★ 4.5 (72) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Systems, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Program Development, Test Driven Development (TDD), Blockchain, Big Data, Data Structures, System Monitoring, Database Theory, Databases
★ 3.5 (92) · Advanced · Course · 1 - 4 Weeks