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.

AI Business School
Skills you'll gain: Prompt Engineering, AI Personalization, Generative AI, HR Tech, Artificial Intelligence, AI Enablement, ChatGPT, Human Resources, Human Resource Strategy, Large Language Modeling, Ideation, Content Creation, Innovation, Business Transformation
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Database Design, Query Languages, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Data Structures, Algorithms, Maintainability, Performance Tuning, File Management, Debugging
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, System Configuration, Database Management, General Networking, Network Security
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Programming Principles, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), API Testing, Unit Testing, Performance Testing, Functional Testing, Test Automation, Web Development Tools, Usability Testing, User Interface (UI), Test Case, Javascript
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Test Tools, Technical Documentation, Restful API, JSON, YAML, Software Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Preprocessing, Keras (Neural Network Library), Model Evaluation, Image Analysis, Data Manipulation, Visualization (Computer Graphics), Convolutional Neural Networks, Applied Machine Learning, Computer Vision, Jupyter, Deep Learning, Python Programming, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: MySQL Workbench, Database Design, Database Development, Database Systems, Relational Databases, Database Management, SQL, Data Manipulation, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Python Programming, Programming Principles, Data Structures, Computer Programming, Computational Thinking, Web Development Tools, Web Development, Software Engineering
Intermediate · Course · 1 - 4 Weeks