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, Irvine
Skills you'll gain: Video Game Development, Game Design, iOS Development, Animation and Game Design, Usability Testing, Apple iOS, Mobile Development, Apple Xcode, Usability, Augmented Reality, Swift Programming, User Interface (UI) Design, Debugging
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Unix Shell, Linux Commands, Command-Line Interface, Unix Commands, Business Logic, DevOps
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Javascript, jQuery, Event-Driven Programming, Object Oriented Programming (OOP), JSON, Web Applications, Computer Programming, Web Development Tools, Debugging, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS)
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
Beginner · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Application Development, Java Programming, Software Engineering, Microsoft Visual Studio, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Simulations, Visualization (Computer Graphics), Statistical Visualization, R (Software), R Programming, Statistical Modeling, Statistical Programming, Statistical Analysis, Process Analysis, Data Analysis, Test Case
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Software Design Patterns, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Package and Software Management, Linux, Command-Line Interface, Linux Servers, Operating System Administration, Linux Commands, Unix Commands, Ubuntu, File Systems, Red Hat Enterprise Linux, OS Process Management, Bash (Scripting Language), Unix, Software Installation, Systems Administration, File Management, Service Management, Operating Systems, Servers
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Retrieval-Augmented Generation, Gemini, Embeddings, Generative AI, Predictive Modeling, Vector Databases, Big Data, Data Analysis, Exploratory Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, SQL, Python Programming, Data Preprocessing, Customer Relationship Management, Google Cloud Platform, Data Visualization Software, Machine Learning
Beginner · Specialization · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Java, Object Oriented Programming (OOP), Education Software and Technology, Computer Programming, Digital pedagogy, Program Development, Debugging, Data Structures
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Prompt Engineering, Generative AI Agents, Retrieval-Augmented Generation, Generative Model Architectures, CrewAI, AI Orchestration, Vector Databases, AI Workflows, Model Deployment, AI Personalization, Generative AI, Transfer Learning, Kubernetes, Enterprise Application Management, ChatGPT, Agentic systems, MLOps (Machine Learning Operations), Python Programming, System Monitoring, Engineering
Intermediate · Specialization · 3 - 6 Months