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 San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Integrated Development Environments, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Pseudocode, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Full-Stack Web Development, Scripting Languages, Computer Programming, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Convolutional Neural Networks, Random Forest Algorithm, Recurrent Neural Networks (RNNs), Decision Tree Learning, Deep Learning, Applied Machine Learning, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Algorithms, Predictive Modeling, Supervised Learning, Computer Vision, Classification Algorithms, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), File Management, Web Design, Front-End Web Development, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Object Oriented Programming (OOP), File I/O, Encryption, Data Structures, Software Development, Data Visualization, Model Evaluation, Automation, Machine Learning Algorithms, Classification Algorithms, Data Preprocessing, Public Key Cryptography Standards (PKCS), Databases, Python Programming, Natural Language Processing, Algorithms, Key Management, Software Installation, Data Validation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Exploratory Data Analysis, Data Science, Machine Learning, Data Analysis, Data Preprocessing, Matlab, Technical Communication, Predictive Modeling, Data Manipulation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages
Advanced · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Semantic Web, Usability, Web Applications, Programming Principles, Web Content, Verification And Validation
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Prompt Engineering, Development Environment, Large Language Modeling, Text Mining, Databases, OpenAI, Semantic Web, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, Object-Relational Mapping, Model View Controller, Python Programming
Advanced · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Software Design Patterns, Software Design, Cloud Computing, Data Structures
Intermediate · Course · 1 - 3 Months