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: Go (Programming Language), Algorithms, OS Process Management, System Programming, Data Sharing
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Algorithms, Network Routing, Network Model, Graph Theory, Advanced Mathematics, Operations Research, Theoretical Computer Science, Network Analysis, Machine Learning Algorithms, Data Structures, Computational Thinking, Linear Algebra, Computer Science, Big Data, Python Programming, Model Optimization
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, Apache Kafka, Apache Airflow, Data Transformation, Extract, Transform, Load, Data Processing, Data Integration, Data Warehousing, Data Cleansing, Data Lakes, Data Mart, Performance Tuning, Shell Script, Bash (Scripting Language), Command-Line Interface
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, Unit Testing, Test Script Development, Data Pipelines, Test Automation, Code Coverage, Real Time Data, Data Processing, Data Cleansing, Data Integrity, Extract, Transform, Load, Data Transformation, Data Persistence, Performance Testing, Data Validation, Data Science, Python Programming, Machine Learning, Algorithms, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Development, Javascript, Bootstrap (Front-End Framework), Scripting, Browser Compatibility, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prompt Engineering, Email Automation, Model Context Protocol, Webhook Security, Retrieval-Augmented Generation, AI Integrations, Make.com, AI Workflows, Google Gemini, Automation, Anthropic Claude, OpenAI, Generative AI Agents, No-Code Development, Generative AI, Artificial Intelligence, Vector Databases, Large Language Modeling, Docker (Software), Data Transformation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: DeepSeek API, LLM Application, Deepseek, Generative AI Agents, Prompt Engineering, AI Workflows, Tool Calling, Model Deployment, AI Orchestration, Agentic Workflows, Prompt Patterns, Large Language Modeling, AI Integrations, Cloud Deployment, Gemini, OpenAI, Application Deployment, Generative AI, Agentic systems, Data Science
Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Web Design, Web Design and Development, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Hypertext Markup Language (HTML), Information Architecture, Web Presence, Web Development, Content Management Systems, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management
Mixed · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Transfer Learning, Model Training, Fine-tuning, Deep Learning, Machine Learning Methods, Image Quality, Generative AI, Data Preprocessing, Artificial Neural Networks, Matlab, Applied Machine Learning, Machine Learning, Classification Algorithms, Software Visualization
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Validation, Programming Principles, Computer Programming, Data Integrity, Data Structures, Code Reusability, File Management, Data Store, Memory Management, Software Documentation, Computer Science, Maintainability, Computational Logic, Development Environment
Beginner · Specialization · 3 - 6 Months