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: MongoDB, Full-Stack Web Development, Node.JS, Web Development, Web Applications, Front-End Web Development, JavaScript Frameworks, Server Side, Back-End Web Development, Data Store, Network Routing, Database Development, Hypertext Markup Language (HTML), Development Environment, Middleware, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Business Analytics, Business Metrics, Analytics, Business Process Improvement, Business Intelligence, Business Process, Tableau Software, Business Analysis, Data Analysis, Key Performance Indicators (KPIs), Web Analytics, Data-Driven Decision-Making, Digital Transformation, E-Commerce, Financial Services, SQL, Decision Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), Prometheus (Software), Application Deployment, Grafana, Network Administration, Data Storage, Containerization, YAML, CI/CD, System Monitoring, Network Troubleshooting, Network Security, Scalability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Visualization, Tableau Software, Dashboard, Data Storytelling, Data Analysis, Data Visualization Software, Trend Analysis, Data Cleansing, Data Preprocessing, R (Software), R Programming, Time Series Analysis and Forecasting, Spatial Analysis, Forecasting, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Data Warehousing, Apache Spark, Data Architecture, SQL, Data Transformation, Performance Tuning, Disaster Recovery, Database Management, PySpark, Query Languages, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months

JetBrains
Skills you'll gain: Kotlin, Java, Java Programming, IntelliJ IDEA, Object Oriented Programming (OOP), Android Development, Interoperability, Mobile Development, Integrated Development Environments, Computer Programming, Performance Tuning, Functional Design, Code Review, Programming Principles, Maintainability, Unit Testing, Scripting, Software Development, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Design, Software Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Core Data (Software), Application Design, Swift Programming, Apple Xcode, User Interface (UI), Mobile Development, Data Store, Machine Learning Software, Software Architecture, Performance Tuning, Database Development, Database Management, Software Design, Model View Controller, User Interface and User Experience (UI/UX) Design, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Application, Microsoft SQL Servers, Data Integrity, Databases, Database Management, Data Modeling, Visual Basic (Programming Language), Application Development, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Web Services, Software Testing, Test Execution Engine
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Unit Testing, Test Driven Development (TDD), CI/CD, Software Testing, Model Deployment, Testability, MLOps (Machine Learning Operations), Tensorflow, Maintainability, Software Engineering, Machine Learning Methods, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Maintainability, Application Design, Software Engineering, Development Environment, Application Development, Application Security, Unit Testing, Scalability, Software Design, Debugging, Application Deployment, Software Configuration Management, Business Logic
Beginner · Course · 1 - 3 Months