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: Restful API, Application Programming Interface (API), Authentications, Test Automation, JSON, Security Testing, Authorization (Computing), Java Programming, Scenario Testing, Java, Test Tools, Back-End Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Animations, Visualization (Computer Graphics), Simulations, Computer Graphics, Python Programming, Game Design, Object Oriented Programming (OOP), Scripting, Algorithms, Development Environment, Data Structures
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prompt Engineering, Generative AI, Generative AI Agents, Marketing Design, Web Content Accessibility Guidelines, Marketing Materials, Brand Awareness, Marketing, Campaign Planning, Marketing Collateral, Branding, Content Optimization, Search Engine Optimization, AI Workflows, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Storage, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Build toward a degree
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Token Optimization, Operational Databases, Query Languages, Metadata Management, Performance Tuning, Embeddings, Large Language Modeling, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce Development, Simple Object Access Protocol (SOAP), Systems Integration, Salesforce, Restful API, Web Services, Integration Testing, Data Integration, Software Development Tools, Application Programming Interface (API), Real Time Data, Development Environment, Postman API Platform, Data Import/Export, Event-Driven Programming, Authentications, Web Components
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Prompt Engineering Tools, Model Evaluation, Fine-tuning, Agentic systems, Model Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Cryptographic Protocols, Secure Coding, Public Key Cryptography Standards (PKCS), Key Management, Public Key Infrastructure, Python Programming, Brute-force attacks, Scripting, Algorithms, Data Integrity, Verification And Validation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Java Programming, Maintainability, Enterprise Application Management, Software Design Patterns, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Robotics, Mathematical Modeling, Engineering, Mechanics, Torque (Physics), Mathematical Software, Virtual Environment, Simulation and Simulation Software, Engineering Calculations, Matlab, Control Systems, Applied Mathematics, Linear Algebra, Other Programming Languages
Intermediate · Course · 1 - 3 Months

Universidad Nacional de Colombia
Skills you'll gain: File I/O, Computational Thinking, Data Management, Computer Programming, Program Development, Computational Logic, Logical Reasoning
Intermediate · Course · 1 - 3 Months