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.

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Cloud Management, Databases, SQL, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management, Data Transformation, Scalability, Social Network Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Animation and Game Design, Game Design, Animations, Video Game Development, Artificial Intelligence, Augmented and Virtual Reality (AR/VR), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, R (Software), Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Statistical Methods, Probability & Statistics, Quantitative Research, Sampling (Statistics), Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: jQuery, Javascript and jQuery, Event-Driven Programming, Web Development Tools, UI Components, HTML and CSS, Javascript, Web Applications, Data Validation, Animations
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Relational Databases, Performance Tuning, Databases, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Bash (Scripting Language), Linux Commands, Unix Shell, Linux, Scripting, Unix Commands, Scripting Languages, Debugging, Command-Line Interface, File I/O, Programming Principles
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Vulnerability Scanning, Cyber Security Assessment, Active Directory, Web Applications, Brute-force attacks, Microsoft Windows, Cryptographic Protocols, Bash (Scripting Language), Command-Line Interface, Shell Script, Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Retrieval-Augmented Generation, Generative AI, Gemini, AI Enablement, Agentic systems, LLM Application, Tool Calling, Cloud Infrastructure, Customer experience improvement, Productivity Software, Strategic Planning, Organizational Strategy, Cloud Computing Architecture, Cloud Computing, Artificial Intelligence, Innovation, Enterprise Security, MLOps (Machine Learning Operations), Collaboration
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: .NET Framework, Linux, Application Frameworks, Cross Platform Development, Software Development Tools, C# (Programming Language), Dependency Analysis
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Web Development Tools, Web Development, Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Applications, Web Design, Web Servers, Development Environment, Apache, Software Development, Web Content, Front-End Web Development, Semantic Web, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Integration, DevOps, Apache Tomcat, Kubernetes, Docker (Software), Continuous Deployment, Apache Maven, Application Deployment, Containerization, Amazon Web Services, YAML, Git (Version Control System)
Advanced · Course · 1 - 3 Months