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 Michigan
Skills you'll gain: Data Visualization, Statistical Visualization, Surveys, Tidyverse (R Package), Data Analysis, Demography, Public Administration, R (Software), Policy Analysis, Public Policies, R Programming, Statistical Programming, Analytics, Data Transformation, Programming Principles, Data Manipulation
★ 4.5 (60) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, Large Language Modeling, OpenAI API, Hugging Face, Embeddings, AI Workflows, Development Environment, Generative AI Agents, Retrieval-Augmented Generation, Vector Databases, Python Programming, Agentic systems, Document Management, Application Development, Image Analysis
★ 4.8 (23) · Intermediate · Course · 3 - 6 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, File I/O, Programming Principles, Data Structures, Program Development, Data Modeling, FinTech
★ 4.8 (65) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Database Design, Relational Databases, Problem Solving
★ 4.6 (335) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Business Ethics, Ethical Standards And Conduct, Decision Making, Strategic Decision-Making, Case Studies, Corporate Sustainability, Social Impact, Conflict Management, Team Leadership
★ 4.9 (185) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Management, Data Manipulation, Database Design, Data Transformation, Data Wrangling, Query Languages, Data Modeling, Database Systems, Data Literacy, Relational Databases, Data Processing, Data Analysis, Descriptive Statistics
★ 4.2 (31) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Programming Principles, Program Development, Microsoft Visual Studio, Computer Programming, Integrated Development Environments, Computer Programming Tools, Python Programming, Development Environment
★ 4.9 (22) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Cloud-Based Integration, Amazon Web Services, Data Structures, Secure Coding, Data Processing, Application Programming Interface (API), Data Manipulation, System Programming, Cryptography, Python Programming, Command-Line Interface, Software Testing
★ 3.5 (67) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, Exploratory Data Analysis, LLM Application, Applied Machine Learning, Data Collection, Model Optimization, Convolutional Neural Networks, Model Deployment, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Machine Learning Software
★ 4.4 (28) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Development Testing, Authorization (Computing), Test Case, Mobile Development, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Application Development, Functional Design
★ 4.7 (93) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
★ 4.7 (94) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Computer Programming, Test Data, Data Validation, Algorithms, Verification And Validation, Statistical Programming, Development Testing, Data Structures
★ 4.6 (34) · Intermediate · Course · 1 - 4 Weeks