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: Matplotlib, Object Oriented Programming (OOP), Plotly, Seaborn, Data Visualization Software, Object Oriented Design, Data Visualization, Pandas (Python Package), NumPy, Statistical Visualization, Interactive Data Visualization, Software Documentation, Scatter Plots, Box Plots, Heat Maps, Data Structures, Maintainability, Programming Principles, Data Import/Export, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Continuous Integration, Restful API, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Database Application, Application Programming Interface (API), HTML and CSS, Full-Stack Web Development, Spring Boot, Microservices, Back-End Web Development, Software Design Documents, Software Architecture
Advanced · Course · 1 - 3 Months

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Tool Calling, LLM Application, JSON, Large Language Modeling, Model Deployment, Artificial Intelligence
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: MySQL Workbench, MySQL, Database Management, Databases, Database Management Systems, Relational Databases, Management Information Systems, SQL
Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Quality, NumPy, File I/O, Data Integration, Python Programming, Data Import/Export, Data Analysis, Exploratory Data Analysis, Debugging
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Web Applications, Back-End Web Development, Expense Management, Application Development, Database Application, Data Visualization, Business Process Automation, Chart.js, Python Programming, Data Modeling, Data Security, GitHub, Javascript, Git (Version Control System)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Data Wrangling, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Research Methodologies, Research, R Programming, Data Presentation, Surveys, Data Collection, Data Ethics
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Application Frameworks, Web Development, Program Development, Python Programming, Computer Programming, GitHub
Advanced · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, Object Oriented Programming (OOP), PyTorch (Machine Learning Library), R Programming, Convolutional Neural Networks, NumPy, R (Software), Image Analysis, Pandas (Python Package), Matplotlib, Python Programming, Deep Learning, Computer Programming, Computer Vision, Artificial Neural Networks, Transfer Learning, Scripting, Programming Principles, Data Management
Intermediate · Specialization · 1 - 3 Months