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.

Coursera
Skills you'll gain: Unit Testing, JUnit, Test Case, Testability, Software Testing, Software Development, Software Engineering, Java Programming, Java
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Web Scraping, Network Protocols, JSON, Web Services, Extensible Markup Language (XML), Application Programming Interface (API), Restful API, Data Access, Data Processing, Python Programming, Hypertext Markup Language (HTML)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Data Visualization, Graphing, Matplotlib, Data Visualization Software, Graphical Tools, Histogram, Data Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Debugging, Computer Systems, Computer Architecture, System Programming, Computer Science, Programming Principles, System Design and Implementation, Data Storage, Secure Coding, Computer Hardware, Data Structures
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Development Tools, Microsoft Azure, Serverless Computing, Cloud Development, Event-Driven Programming, Cloud API, Application Programming Interface (API), Microservices, GitHub, Business Process Automation
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Ruby on Rails, Debugging, Software Design Patterns, Software Documentation, Testability, Scripting Languages, Development Environment, Integrated Development Environments, Computer Programming, Development Testing, Programming Principles, Data Structures, Scripting, Apple Xcode, Web Development, Program Development, Package and Software Management
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI, Google Cloud Platform, LLM Application, Large Language Modeling, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Computer Programming, Data Structures, Object Oriented Programming (OOP), Integrated Development Environments, Computer Science
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Threat Modeling, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Command-Line Interface, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Linux
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Data Preprocessing, Deep Learning, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Feature Engineering, Property and Real Estate, Predictive Modeling, Data Cleansing, Data Manipulation, Machine Learning, Real Estate, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours