Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Software Design Patterns, Database Management, Model View Controller, Programming Principles, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL Server Integration Services (SSIS), Extract, Transform, Load, Data Warehousing, Data Transformation, Data Manipulation, Data Analysis, Microsoft SQL Servers, Data Integration, Data Mining, Advanced Analytics, Pivot Tables And Charts, Data Processing, SQL, Dataflow, Workflow Management
★ 4.6 (17) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Wrangling, Data Analysis, Exploratory Data Analysis, Java, Data Processing, Data Manipulation, Java Programming, Statistical Methods, Statistics
★ 4.5 (6) · Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Team Building, Teamwork, Telecommuting, English Language, Business Communication, Collaborative Software, Communication, Virtual Teams, Verbal Communication Skills, Workforce Development, Adult Education, Organizational Skills, digital literacy, Digital Transformation, Communication Strategies, Workforce Management, Productivity Software, Workflow Management, Problem Solving
★ 4.6 (7) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, Web Development, User Interface (UI), Maintainability
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Cleansing, Data Quality, Data Wrangling, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Development Tools, Web Design and Development, Web Design, Semantic Web, Web Content, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), API Testing, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management, YAML
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, UI Components, Development Environment, Event-Driven Programming
★ 4.8 (17) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Embeddings, PostgreSQL, Relational Databases, SQL, Query Languages, NoSQL, Node.JS, Data Import/Export, Data Processing, Software Installation
★ 4.5 (24) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Agentic Workflows, Technical Communication, AI Enablement, Model Deployment, AI Workflows, Generative AI Agents, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Decision Intelligence, Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Exploit development, Penetration Testing, Cyber Operations, Malware Protection, Exploitation techniques, Network Monitoring, Object Oriented Programming (OOP), Vulnerability Scanning, Network Security, Network Protocols, Network Analysis, Scripting Languages, Scripting, Remote Access Systems, Python Programming, Program Development, Command-Line Interface, Code Reusability, Package and Software Management
★ 5 (9) · Advanced · Course · 1 - 3 Months