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.

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
★ 4.5 (51) · Advanced · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Data Preprocessing, Data Processing, Natural Language Processing, Classification Algorithms, Analytics, Java, Unsupervised Learning, Machine Learning Methods, Supervised Learning
★ 3.9 (40) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Memory Management, Operating Systems, C (Programming Language), C and C++, Performance Tuning, System Programming, System Software, Unix, Hardware Architecture
★ 4.7 (66) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Integrated Development Environments, Mobile Development, Computer Programming, Programming Principles, Data Structures
★ 4.4 (180) · Beginner · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
★ 3.9 (16) · Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Data Integration, Data Quality, Data Wrangling, Exploratory Data Analysis, Data Preprocessing, Data Transformation, Data Cleansing, Jupyter, Data Visualization, Data Analysis, Data Science, Data Management, Predictive Modeling, Python Programming
★ 4.8 (106) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Data Compilation, Matlab, Scientific Visualization, Data Processing, Data Cleansing, Data Wrangling, Data Manipulation, Histogram, Data Transformation, Data Science, Text Mining, Predictive Modeling, Unstructured Data
★ 4.7 (351) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
★ 4.5 (98) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unity Engine, Software Design Patterns, Data Structures, C# (Programming Language), Video Game Development, Software Design, Programming Principles, Graph Theory, Software Architecture, Algorithms
★ 4.6 (149) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, Data Ethics, OpenAI, Artificial Intelligence, Large Language Modeling, Analytical Skills, Analysis, Game Theory, Generative AI, Predictive Modeling
★ 4.7 (379) · Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Mobile Development, Application Design, Application Development, User Interface (UI), UI Components, Human Computer Interaction, Interactive Design, Interaction Design, Graphical Tools, Graphic and Visual Design, Data Persistence, Animations, Computer Graphics, Persistence, Network Model
★ 4.1 (269) · Mixed · Course · 1 - 3 Months
University of Maryland, College Park
Skills you'll gain: Unstructured Data, Applied Machine Learning, Financial Data, Financial Statement Analysis, Image Analysis, Finance, Financial Analysis, Accounting, Emerging Technologies, Artificial Intelligence, Text Mining, Machine Learning, Social Media Analytics, AI Integrations, Data-Driven Decision-Making, Natural Language Processing, Model Evaluation
★ 4.4 (10) · Beginner · Course · 1 - 4 Weeks