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.

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

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, Programming Principles, Apple Xcode, Software Installation, Performance Tuning, Debugging
★ 4.2 (26) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Data Ethics, Unsupervised Learning, Dimensionality Reduction, Responsible AI, Text Mining, Data Preprocessing, Data Transformation, Anomaly Detection, Exploratory Data Analysis, Machine Learning, Scikit Learn (Machine Learning Library), Natural Language Processing, Data Science, Quality Assurance, Data Pipelines, Machine Learning Algorithms, Classification Algorithms, Design Thinking, Python Programming
★ 4.4 (84) · Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Interactive Learning, Peer Review, Pedagogy, Art History, Public History, Digital pedagogy, Social Sciences, Aesthetics, Community Organizing, Community Outreach, Education and Training, Social Justice, Creativity, Political Sciences, Higher Education, Community Development, Social Impact, Media and Communications, Team Collaboration
★ 4.7 (131) · Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, R (Software), Web Scraping, Ggplot2, Model Evaluation, Statistical Reporting, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
★ 4.8 (47) · Beginner · Specialization · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, C and C++, Embedded Systems, Data Structures, Programming Principles, Computer Engineering, Algorithms, Computer Programming, Linux
★ 4.4 (58) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Active Listening, Verbal Communication Skills, Communication, Communication Strategies, Empathy & Emotional Intelligence, Oral Comprehension, Emotional Intelligence, Persuasive Communication, Public Speaking, Non-Verbal Communication, Business Communication, Tactfulness, Conflict Management, Relationship Management, Teamwork
★ 4.7 (128) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Model Context Protocol, Retrieval-Augmented Generation, Generative Model Architectures, Fine-tuning, Model Deployment, Responsible AI, Load Balancing, Large Language Modeling, Containerization, AI Security, Docker (Software), Model Optimization, Generative AI, Model Evaluation, Agentic systems, LangChain, Restful API, Data Ethics, Image Quality
★ 4.3 (6) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, OpenAI, Hugging Face, Large Language Modeling, Agentic systems, Embeddings, AI Workflows, Data Processing, Vector Databases, Retrieval-Augmented Generation, Generative AI Agents, Application Development, Memory Management
★ 3.2 (21) · Intermediate · Course · 3 - 6 Months

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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, JavaScript Frameworks, LLM Application, Large Language Modeling, AI Orchestration, Python Programming
★ 4.7 (26) · Intermediate · Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Model Context Protocol, Server Side, Event-Driven Programming, Application Deployment
★ 4.6 (10) · Mixed · Course · 1 - 4 Weeks