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.

Northeastern University
Skills you'll gain: Database Design, Database Theory, MongoDB, Database Development, Database Management Systems, Databases, Data Modeling, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Integrity, Performance Tuning, Diagram Design, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, SQL, MySQL Workbench, Query Languages, Descriptive Statistics, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, AI Workflows, Agentic systems, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Human Factors (Security), Data Ethics, Context Management, Restful API
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Data Science, Generative AI, Development Environment, Computer Programming, Data Analysis
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Software Architecture, Testability
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Ruby on Rails, Debugging, Software Design Patterns, Software Documentation, Testability, Scripting Languages, Development Environment, Integrated Development Environments, Computer Programming, Development Testing, Programming Principles, Data Structures, Scripting, Apple Xcode, Web Development, Program Development, Package and Software Management
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Command-Line Interface, Google Cloud Platform, Test Tools, Cloud API, Application Programming Interface (API), Python Programming, Document Management
Beginner · Project · Less Than 2 Hours

Xi'an Jiaotong University
Skills you'll gain: File Management, C# (Programming Language), Microsoft Windows, UI Components, Programming Principles, User Interface (UI), Computer Graphics, Operating Systems, Graphical Tools, Application Development, Interactive Design, Event-Driven Programming, Human Computer Interaction
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, R Programming, Statistical Analysis, Statistical Software, Forecasting, Statistical Modeling, Data Analysis, Statistical Methods, Statistical Visualization, Data Presentation, Probability & Statistics, Model Evaluation, Statistical Hypothesis Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Auditing, Content Strategy, Web Analytics, Content Performance Analysis, Technical Support, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: File I/O, Data Structures, Data Manipulation, Software Installation, Python Programming, Data Processing, Development Environment, Data Storage
Mixed · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Kubernetes, Containerization, YAML, Virtual Networking, Application Deployment, General Networking, Servers, Operating Systems, Command-Line Interface
Beginner · Course · 3 - 6 Months