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: Data Warehousing, Extract, Transform, Load, IBM DB2, Star Schema, PostgreSQL, Snowflake Schema, Data Mart, Data Architecture, Data Modeling, Database Design, Database Systems, Data Lakes, Data Integration, Query Languages, Data Validation, Data Cleansing, SQL, Data Quality
★ 4.5 (266) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Computer Programming, Memory Management
★ 4.7 (319) · Intermediate · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Model View Controller, iOS Development, Apple iOS, Apple Xcode, Swift Programming, User Interface (UI), User Interface (UI) Design, Mobile Development, UI Components, Application Frameworks, Mobile Development Tools, Application Development, Software Architecture, Application Design, Knowledge of Apple Hardware, Computer Programming, Storyboarding
★ 4.2 (552) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Agentic Workflows, AI Workflows, User Interface (UI), LLM Application, AI Integrations, Human Computer Interaction, No-Code Development, Retrieval-Augmented Generation, AI Product Strategy, Automation, Application Programming Interface (API), Workflow Management, Embeddings, Natural Language Processing, Prompt Engineering, Debugging
★ 4.1 (66) · Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
★ 4.8 (125) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Gemini, Responsible AI, Generative AI, Generative Model Architectures, Generative AI Agents, Google Workspace, AI Workflows, AI Enablement, AI Orchestration, Agentic Workflows, Google Cloud Platform, AI Product Strategy, Prompt Patterns, Productivity Software, Large Language Modeling, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.8 (262) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: .NET Framework, ASP.NET, Microservices, DevOps, C (Programming Language)
★ 4.1 (390) · Intermediate · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Statistical Machine Learning, Predictive Modeling, Model Evaluation, Random Forest Algorithm, Applied Machine Learning, Predictive Analytics, Machine Learning Methods, Unsupervised Learning, Machine Learning Algorithms, Machine Learning, Model Training, Data Analysis, Data Science, Exploratory Data Analysis, Regression Analysis, Statistical Analysis, Python Programming
★ 4.2 (328) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Combinatorics, Probability, Programming Principles, Computational Thinking, Computer Programming, Object Oriented Programming (OOP), Development Testing, Software Testing, Applied Mathematics, Algorithms, Python Programming, Game Design, General Mathematics
★ 4.7 (584) · Intermediate · Course · 1 - 3 Months
Michigan State University
Skills you'll gain: Game Design, Unity Engine, Video Game Development, Peer Review, Cross Platform Development, Animation and Game Design, User Interface (UI) Design, User Interface (UI), C# (Programming Language), UI Components, Object Oriented Programming (OOP), Animations, Scripting, Digital Publishing, Creativity
★ 4.7 (540) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Fine-tuning, Generative Model Architectures, LLM Application, Large Language Modeling, Application Deployment, Unstructured Data, Application Development, Natural Language Processing
★ 4.7 (51) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Mockups, Security Requirements Analysis, Interviewing Skills, User Requirements Documents, Systems Development Life Cycle, Data Flow Diagrams (DFDs), Storyboarding, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Product Requirements, Unified Modeling Language, Risk Management Framework, Risking
★ 4.5 (857) · Beginner · Specialization · 3 - 6 Months