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: Job Control Language (JCL), z/OS, Unix, IBM DB2, Database Management Systems, Mainframe Computing, Unix Shell, Operating System Administration, System Programming, Operating Systems, Unix Commands, System Software, Mainframe Technologies, Data Management, Data Storage Technologies, File Systems, Data Storage, System Configuration, File Management, Transaction Processing
★ 4.8 (379) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization
★ 4.4 (54) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, AI Security, Cloud Deployment, Google Cloud Platform, Kubernetes, Big Data, Software Development Life Cycle, Systems Development Life Cycle, Devops Tools, Cloud Development, Cloud Security, Development Testing, Virtual Networking, Application Deployment, Marketing Analytics, DevOps, Generative AI, Application Development, Security Engineering
★ 4.3 (41) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, AI Workflows, Generative AI Agents, Token Optimization, Agentic Workflows
★ 4.4 (39) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Dashboard, Dashboard Creation, Performance Tuning, Business Intelligence Software, SQL, Data Analysis, Data Persistence
★ 4.7 (72) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, Game Design, Programming Principles, Python Programming, Program Development, Computer Programming, Computational Logic, Computer Science
★ 4.6 (125) · Beginner · Guided Project · Less Than 2 Hours

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

Coursera
Skills you'll gain: R (Software), R Programming, Computational Logic, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
★ 4.5 (52) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design, Programming Principles
★ 4.7 (213) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Application Deployment, Cloud Deployment, Prompt Patterns, Artificial Intelligence, Model Deployment, Microsoft Azure, AI Integrations, Prompt Engineering Tools, Multimodal Prompts, Persona (User Experience), Retrieval-Augmented Generation, Test Case
★ 3.3 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Restful API, AI Integrations, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks