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: Test Planning, Embedded Software, Embedded Systems, User Requirements Documents, Functional Specification, Functional Requirement, Systems Design, Requirements Analysis, Test Case, System Design and Implementation, Development Testing, System Testing, Prototyping, Program Development, Technical Design, Conceptual Design, Hardware Architecture, Python Programming
★ 4.7 (957) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Unsupervised Learning, Supervised Learning, Applied Machine Learning, Predictive Modeling, Data Presentation, Machine Learning, Collaborative Software, Data Analysis, Predictive Analytics, Technical Communication, Machine Learning Algorithms, Statistical Analysis, Scikit Learn (Machine Learning Library), Keras (Neural Network Library), Descriptive Statistics, Regression Analysis, Python Programming, Text Mining, Artificial Neural Networks
★ 4.7 (216) · Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Data Analysis Software, Big Data, R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Data Preprocessing, Data Processing, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
★ 3.8 (388) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, System Programming, Data Storage, Memory Management, Computational Logic, Computer Programming, C (Programming Language), Data Storage Technologies, Program Development, C# (Programming Language)
★ 4.7 (81) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LLM Application, User Interface (UI), Embeddings, Large Language Modeling, UI Components, Performance Tuning
★ 4.7 (73) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (146) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Preprocessing, Correlation Analysis, Seaborn, Data Cleansing, Data Wrangling, Data Processing, Data Visualization, Plot (Graphics), Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Data Integration, Statistics, Infectious Diseases, Python Programming
★ 4.5 (2K) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Keras (Neural Network Library), Deep Learning, PyTorch (Machine Learning Library), Computer Vision, Machine Learning, Data Transformation, Python Programming
★ 4.5 (710) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Test Tools, Behavior-Driven Development, Test Automation, Unit Testing, Software Testing, Development Testing, Test Case, Software Engineering Tools, Test Data, Code Coverage, Scenario Testing, Restful API, Mockups, Microservices
★ 4.8 (252) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Cryptographic Protocols, Cryptography, Key Management, Encryption, Cybersecurity, Arithmetic, Algorithms, Python Programming
★ 4.5 (609) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Statistical Methods, Regression Analysis, Plot (Graphics), Data Cleansing, Statistical Hypothesis Testing, Correlation Analysis, Data Preprocessing, Matplotlib, Data Wrangling, Data Visualization, Statistical Analysis, Data Processing, Statistics, Analytics, Statistical Modeling, R Programming, Data Analysis, Statistical Inference, Pandas (Python Package), Python Programming
★ 4.4 (205) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Prompt Engineering, Retrieval-Augmented Generation, Gemini, Google Workspace, Generative AI, Google Cloud Platform, AI Workflows, Large Language Modeling, Enterprise Security
★ 4.7 (120) · Beginner · Course · 1 - 4 Weeks