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 California San Diego
Skills you'll gain: Java Programming, Java, Pedagogy, Program Development, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Digital pedagogy, Object Oriented Design, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Database Design, Transact-SQL, Data Visualization, Microsoft SQL Servers, Power BI, Databases, Database Management, Database Development, Data Presentation, Data Visualization Software, SQL, Data Preprocessing, Data Management, Data Integrity, Data Access, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Amazon Web Services, Data Security, Performance Tuning, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, Build Tools, JSON, JUnit, Java Programming, Java, Web Services, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Time Series Analysis and Forecasting, Python Programming
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Restful API, Web Development, Program Development, Event-Driven Programming, Python Programming, GitHub
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Interactive Design, Hypertext Markup Language (HTML), Typography, Design Strategies, Aesthetics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Anomaly Detection, Image Analysis, Computer Vision, Model Training, Matlab, Generative AI, Deep Learning, Model Evaluation, Data Preprocessing, Interoperability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Analysis, Data Cleansing, Graphing, Exploratory Data Analysis, Data Manipulation, Data Processing, Jupyter, Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Machine Learning Algorithms, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, Plot (Graphics), Probability & Statistics, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Python Programming, Data Preprocessing, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Web Scraping, R (Software), Relational Databases, Statistical Software, Data Import/Export, R Programming, Databases, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours