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.

Arizona State University
Skills you'll gain: Matplotlib, File I/O, NumPy, Plot (Graphics), Pandas (Python Package), Data Structures, Data Visualization Software, Data Analysis, Python Programming, Data Wrangling, Data Processing, Data Manipulation, Data Import/Export, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, R Programming, R (Software), Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Internet Of Things, Embedded Systems, Serial Peripheral Interface, System Programming, Emerging Technologies, Communication Systems, Program Development, Application Programming Interface (API), Operating Systems, Peripheral Devices, Digital Communications, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

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

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, AI Orchestration, LLM Application, OpenAI API, Java Programming, Java, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, AI Integrations, Persona (User Experience), Document Management, Secure Coding, Business Logic, Software Design Documents, Plan Execution, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AWS SageMaker, Generative AI, LLM Application, Multimodal Prompts, Large Language Modeling, Applied Machine Learning, Model Training, Scikit Learn (Machine Learning Library), Image Analysis, Business Writing
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Machine Controls, Robotics, Control Systems, Engineering, Scientific, and Technical Instruments, Spatial Data Analysis, Applied Mathematics, Linear Algebra, Python Programming, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Scripting Languages, Scripting, Programming Principles, Data Manipulation, Data Management, Functional Design, Database Management, Package and Software Management, File Management, File I/O, Databases
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Cloud Development, Amazon Elastic Compute Cloud, Cloud Applications, Cloud Infrastructure, Bioinformatics, Cloud Computing Architecture, Cloud Computing, Algorithms, Development Environment, Amazon Web Services, Model Optimization, Performance Tuning, Program Development, Computer Architecture, Hardware Architecture, Performance Testing, Application Performance Management, Computer Programming, Memory Management
Intermediate · Course · 1 - 3 Months