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.

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours
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: IBM Cloud, Cryptography, Algorithms, Python Programming, Linear Algebra, Computational Thinking, Jupyter, Simulation and Simulation Software, Physics, Software Installation, Development Environment
Beginner · Course · 3 - 6 Months

Imperial College London
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Simulations, Risk Modeling, Epidemiology, Infectious Diseases, R Programming, Model Evaluation, Public Health
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud-Native Computing, Docker (Software), Containerization, Microservices, DevOps, Application Deployment, YAML, Virtualization, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Embedded Systems, Application Security, System Programming, Digital Signal Processing, Security Engineering, Computer Architecture, Hardware Architecture
Advanced · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Statistical Analysis, NumPy, Probability Distribution, Matplotlib, Statistics, Pandas (Python Package), Data Science, Probability & Statistics, Probability, Statistical Modeling, Predictive Modeling, Data Analysis, Linear Algebra, Predictive Analytics, Statistical Methods, Mathematics and Mathematical Modeling, Applied Mathematics, Python Programming, Machine Learning, Logical Reasoning
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Version Control, Test Script Development, Continuous Integration, Test Execution Engine, Test Tools, Automation, Scripting, Web Scraping, Hypertext Markup Language (HTML), Software Design Patterns, Development Environment, Integrated Development Environments, Debugging, Command-Line Interface, File I/O
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Scraping, Data Visualization, Data Preprocessing, Data Cleansing, Exploratory Data Analysis, Scripting, Data Analysis, Data Manipulation, Data Import/Export, Extensible Markup Language (XML), Python Programming, Jupyter, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours