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.

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Design, Database Management, Query Languages, Database Management Systems, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
★ 4.3 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Information Technology, Operating Systems, Collaborative Software, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, Python Programming, System Software, Linux, Application Design, Microsoft Windows, Mac OS, Package and Software Management, Open Source Technology, Software Development
★ 4.4 (8) · Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Debugging, Javascript, Software Development
★ 4.1 (15) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Feature Engineering, Model Deployment, Data Preprocessing, Model Optimization, Model Evaluation, Data Transformation, Model Training, Applied Machine Learning, MLOps (Machine Learning Operations), Predictive Modeling, Exploratory Data Analysis, Machine Learning Methods, Machine Learning, Scikit Learn (Machine Learning Library), Data Science, IBM Cloud, Python Programming
★ 4.2 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Hybrid Cloud Computing, COBOL (Programming Language), Mainframe Technologies, Mainframe Computing, IBM Cloud, Cloud Applications, Enterprise Application Management, Application Development, Application Programming Interface (API), Cloud API
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Development Testing, System Programming, C (Programming Language), Development Environment, Verification And Validation, Integrated Development Environments, Computer Programming Tools, Code Reusability, System Configuration, Peripheral Devices, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Model Evaluation, Exploratory Data Analysis, Event-Driven Programming, Encryption, Cryptographic Protocols, Regression Analysis, Apache, Web Development, Web Scraping, Model Training, Classification Algorithms, Machine Learning Algorithms, Data Preprocessing, Secure Coding, Public Key Cryptography Standards (PKCS), Natural Language Processing, Web Applications, Key Management, Python Programming
★ 4.8 (75) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, ChatGPT, Generative AI, OpenAI, Large Language Modeling, Multimodal Prompts, OpenAI API, LLM Application, AI powered creativity, AI Product Strategy, Creative Design, AI Integrations, Marketing Strategy and Techniques, Responsible AI, A/B Testing, Time Management
★ 4.4 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Test Case, Software Configuration Management, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, AI Workflows, LLM Application, Agentic Workflows, Agentic systems, Tool Calling, Generative AI Agents, Model Deployment, Large Language Modeling, Artificial Intelligence, Context Management, Data Persistence, Business Logic, Enterprise Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Web Applications, Containerization, Devops Tools, Virtual Networking, YAML, Service Management, Memory Management, Command-Line Interface
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months