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 California, Irvine
Skills you'll gain: Swift Programming, iOS Development, Apple iOS, Objective-C (Programming Language), Mobile Development, Application Development, Application Servers, Object Oriented Programming (OOP), Data Structures
★ 3.8 (79) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Management, Cyber Security Strategy, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Information Systems Security, Internet Of Things, Artificial Intelligence, Key Management
★ 4.7 (546) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Musical Composition, Music, Music Theory, Music Performance, Post-Production, Media Production, Creativity, Coordination
★ 4.9 (525) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, File Systems, Cloud Computing, Dataflow, Transaction Processing, Computer Security, Data Centers, Cyber Security Policies, Authorization (Computing), Apache Hadoop, Data Store, Database Theory, Cloud Security, Authentications, NoSQL, Algorithms, Data Integrity, Encryption, File Management, Graph Theory
★ 4.5 (323) · Mixed · Course · 1 - 3 Months

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

Coursera
Skills you'll gain: MySQL, SQL, Relational Databases, Data Analysis, Computer Programming, Computer Science
★ 4.5 (189) · Beginner · Guided Project · Less Than 2 Hours
University of Washington
Skills you'll gain: Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Data Storytelling, Data Visualization Software, Data Sharing, Data Governance, Big Data, Technical Communication, Graphic and Visual Design, Cloud Computing, Amazon Web Services, Information Privacy, Ethical Standards And Conduct
★ 3.4 (142) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Plot (Graphics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Programming, Descriptive Analytics, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Data Science
★ 4.6 (68) · Beginner · 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: 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

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

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