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 Michigan
Skills you'll gain: Javascript, Web Design and Development, HTML and CSS, Front-End Web Development, Event-Driven Programming, Data Structures, Data Validation, Programming Principles, User Interface (UI), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), FinTech, Financial Market, Financial Forecasting, Asset Management, Financial Analysis, Artificial Intelligence, Web Applications, Portfolio Management, Predictive Modeling, Time Series Analysis and Forecasting, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Systems Analysis, Database Design, Business Process Modeling, Process Flow Diagrams, System Testing, Process Mapping, Functional Requirement, Application Deployment, Business Analysis, CI/CD, Requirements Elicitation, Requirements Analysis, Development Testing, Data Management, System Design and Implementation, Software Design Documents, Stakeholder Management, Project Management, Data Visualization, Stakeholder Engagement
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Data Visualization Software, Seaborn, Data Visualization, Statistical Visualization, Interactive Data Visualization, Scatter Plots, Box Plots, Heat Maps, Histogram
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Recurrent Neural Networks (RNNs), Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Large Language Modeling, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Natural Language Processing, Large Language Modeling, Transfer Learning, Generative Model Architectures, Text Mining, Applied Machine Learning
Advanced · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Data Pipelines, PySpark, Real Time Data, Query Languages, Data Transformation, SQL, Data Processing, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, Query Languages, Stored Procedure, Generative AI, AI Enablement, Maintainability
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Model Evaluation, Application Programming Interface (API), Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, Database Management, Data Analysis, Performance Tuning, Business Intelligence, Data Manipulation, Analytics, Data Transformation
Mixed · Course · 1 - 4 Weeks