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.

Duke University
Skills you'll gain: Algorithms, Debugging, Java, Computer Programming, Software Design, Programming Principles, Object Oriented Programming (OOP), Program Development, Data Analysis Software, Data Import/Export, File I/O, Integrated Development Environments
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Keras (Neural Network Library), Tensorflow, Deep Learning, Artificial Neural Networks, Decision Tree Learning, Scikit Learn (Machine Learning Library), Machine Learning, Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MySQL Workbench, SQL, Data Manipulation, Database Management, Query Languages
Intermediate · Guided Project · Less Than 2 Hours

AI Business School
Skills you'll gain: Prompt Engineering, AI Personalization, Generative AI, HR Tech, Artificial Intelligence, AI Enablement, ChatGPT, Human Resources, Human Resource Strategy, Large Language Modeling, Ideation, Content Creation, Innovation, Business Transformation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Agentic systems, Data Access, Prompt Engineering, Large Language Modeling, Enterprise Security, Cloud Storage, Data Integration, Artificial Intelligence, Data Security, Application Deployment
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Architecture and Administration, Database Management, Relational Databases, SQL, Performance Tuning, Data Integrity, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Design, SQL, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
Advanced · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Matplotlib, Data Preprocessing, Pandas (Python Package), Scatter Plots, Data Cleansing, Data Integration, Data Transformation, Big Data, Programming Principles, Python Programming
Build toward a degree
Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Computer Vision, Digital Signal Processing, Algorithms, Python Programming, NumPy, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Full-Stack Web Development, Server Side, Email Automation, Data Access, Apache Tomcat, Front-End Web Development, Java Programming, Web Design and Development, Databases, PostgreSQL, Relational Databases, Java, User Interface (UI), Web Design, Web Servers, Systems Development, Application Servers
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Tensorflow, Artificial Intelligence, Applied Machine Learning, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Text Mining, Machine Learning, Natural Language Processing, Deep Learning, Predictive Modeling, Classification Algorithms, Supervised Learning, Time Series Analysis and Forecasting, Network Architecture, Data Science, Model Evaluation
Beginner · Specialization · 1 - 3 Months