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.

The Hong Kong University of Science and Technology
Skills you'll gain: Web Analytics and SEO, AI Personalization, Document Management, Semantic Web, Algorithms, Model Evaluation, Network Analysis, Text Mining, Natural Language Processing, User Research, Business Modeling, Graph Theory
★ 5 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Code Reusability, Test Script Development, Event-Driven Programming, Javascript, Application Programming Interface (API), Development Testing, Data Sharing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Deployment, LLM Application, LangChain, Large Language Modeling, Microservices, Test Driven Development (TDD), Software Architecture, Scalability, MLOps (Machine Learning Operations), Cloud Deployment, Cloud Computing Architecture, API Design, Site Reliability Engineering, Kubernetes, Prompt Engineering, Containerization, Infrastructure as Code (IaC), Python Programming, Performance Analysis
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
★ 4.2 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Installation, Code Reusability, Functional Design, Programming Principles, Data Validation, Python Programming, Program Development, Scripting, Software Design, Computational Thinking, Development Environment, Computational Logic, Computer Programming, Algorithms, Command-Line Interface
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, UI Components, Data Transformation, User Interface (UI), Dataflow, Hypertext Markup Language (HTML), Code Reusability, Application Frameworks, Cascading Style Sheets (CSS), Model View Controller
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Package and Software Management, User Accounts, IT Automation, Software Installation, OS Process Management, Devops Tools, Linux Administration, File Systems, Linux Commands, Network Administration, Data Storage, Automation, Infrastructure as Code (IaC), YAML, Scripting, Linux, Linux Servers, System Configuration
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 3.8 (12) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Development Environment, Program Development, C++ (Programming Language), Debugging, Programming Principles, Computer Programming Tools, Computer Programming, Data Management, Computational Logic
★ 4.6 (10) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Programming Principles, Computer Programming, Development Environment, Software Installation, Scripting, Computational Logic, Program Development
★ 4.1 (9) · Beginner · Course · 1 - 3 Months