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.

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
★ 4.6 (869) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Mobile Development, Animation and Game Design, Game Design, Video Game Development, Animations, User Interface (UI), UI Components
Beginner · Course · 1 - 3 Months
SAS
Skills you'll gain: Data Manipulation, SAS (Software), Data Access, Data Import/Export, Microsoft Excel, Statistical Reporting, Data Analysis, Data Transformation, Requirements Analysis, Data Validation, Statistical Analysis, Exploratory Data Analysis, Data Wrangling, Statistical Programming, Data Analysis Software, Data Processing, Data Preprocessing, Data Integration, Statistical Software, SQL
★ 4.8 (3.5K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Unit Testing, Object Oriented Design, File I/O, Algorithms, Test Case, Test Tools, Python Programming, Debugging, Software Testing, Programming Principles, File Management, Code Reusability, Data Science, Context Management, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Database Management, Database Design, Data Processing, Performance Tuning, Data Storage Technologies, Database Theory, Database Systems, Data Storage, Metadata Management, Database Management Systems, Database Software, Data Access, Databases, Data Warehousing, Data Management, Data Analysis
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, Artificial Intelligence, Application Performance Management, Semantic Web
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Software Engineering, Algorithms, Memory Management, Computer Programming Tools, Integrated Development Environments, Debugging, Program Development, Database Systems, Theoretical Computer Science
★ 4.7 (3.5K) · Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Business Intelligence, Data Warehousing, Decision Support Systems, Relational Databases, Database Development, Business Intelligence Software, Data Modeling, Performance Measurement, Database Software, Database Management Systems, Database Management, Interactive Data Visualization, SQL, Star Schema, Data Governance, Oracle Databases, Data Integration, Dashboard Creation, Data Visualization
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering, Mechanics, Mechanical Engineering, Torque (Physics), Applied Mathematics, Numerical Analysis, Process Control, Virtual Environment, Graph Theory, Matlab, Algorithms, Engineering Calculations, Simulations, Data Structures
★ 4.7 (1.2K) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Azure Synapse Analytics, Data Transformation, Microsoft SQL Servers, Data Pipelines, SQL, Data Manipulation, Time Series Analysis and Forecasting, Advanced Analytics, Data Wrangling, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, C++ (Programming Language), Development Environment, Performance Tuning, Test Tools, System Programming, Docker (Software), Computer Architecture, Containerization, Development Testing, Programming Principles, Software Development Tools, Hardware Architecture, Algorithms, Computer Programming, Python Programming, Debugging, Memory Management, Software-Defined Networking, Scripting
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Model Evaluation, Fine-tuning, Model Optimization, Hugging Face, Model Deployment, Model Training, Transfer Learning, Natural Language Processing, MLOps (Machine Learning Operations), Large Language Modeling, Performance Tuning, Generative Model Architectures, Application Deployment, Data Preprocessing, Data Pipelines, Embeddings, Version Control, Git (Version Control System)
Advanced · Course · 1 - 4 Weeks