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.

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Software Engineering, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Programming Principles, Conceptual Design
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Design, Unity Engine, Animation and Game Design, Video Game Development, Animations, User Interface (UI), UI Components, Software Design, C# (Programming Language), Scripting, System Implementation
★ 4.9 (29) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Data Processing, Data Cleansing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
★ 4.7 (6) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, CrewAI, LangGraph, Agentic Workflows, LLM Application, LangChain, Large Language Modeling, Agentic systems, Generative AI Agents, AI Integrations, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Systems Architecture, Context Management, API Design, Software Design, Data Validation, Memory Management
★ 4.1 (7) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MySQL Workbench, Database Design, MySQL, Database Development, Database Systems, Relational Databases, Databases, Database Management, SQL, Data Maintenance, Data Entry, Data Manipulation, Data Analysis, Data Science
★ 5 (11) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Databricks, Real Time Data, PySpark, Apache Hive, Apache Spark, Big Data, Data Processing, SQL, Data Manipulation, Pandas (Python Package)
★ 4.8 (43) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Time Series Analysis and Forecasting, SAS (Software), Feature Engineering, Statistical Analysis, Digital Signal Processing, Statistical Software, Data Transformation, Exploratory Data Analysis, Data Mining, Data Preprocessing, Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
★ 5 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, AI powered creativity, Web Content, AI Workflows, Design Elements And Principles, Web Presence, Web Development Tools, Generative AI
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Dashboard, Big Data, Data Processing, Dashboard Creation, Data Visualization Software, Apache Hive, Apache Spark, Apache Hadoop, Data Manipulation, SQL, Business Intelligence, Data Integration, Data Analysis, Query Languages, Database Management
★ 4.5 (50) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java Programming, Java, Apache Maven, Unit Testing, Gradle, Application Programming Interface (API), Google Cloud Platform, Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Cloud Deployment, Back-End Web Development, YAML, Restful API, Software Configuration Management, Load Balancing
★ 4.8 (8) · Intermediate · Specialization · 3 - 6 Months