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.

Johns Hopkins University
Skills you'll gain: Amazon Web Services, Tensorflow, Large Language Modeling, Applied Machine Learning, Machine Learning Methods, Natural Language Processing, Artificial Intelligence, Classification Algorithms, Software Design, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, Back-End Web Development, Event-Driven Programming, Database Management, Object-Relational Mapping, Databases, Authorization (Computing), Redis, Secure Coding, Application Programming Interface (API), Restful API, Data Modeling, API Design, Email Automation
Intermediate · Course · 3 - 6 Months

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, Agentic systems, LangChain, LLM Application, AI Integrations, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Restful API, Memory Management
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Ubuntu, Linux, Bash (Scripting Language), Linux Commands, Linux Administration, Command-Line Interface, Operating System Administration, Unix Shell, File Management, Shell Script, grep, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Bash (Scripting Language), Devops Tools, Collaborative Software, Software Configuration Management, Development Environment, Configuration Management, Command-Line Interface, Key Management, Software Installation
Intermediate · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
★ 3.3 (9) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Servers, Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Network Monitoring, Scripting Languages
★ 4.4 (22) · Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Model, Network Protocols, IT Automation, Network Routing, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Restful API, Data Store, Application Programming Interface (API), Configuration Management
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Test Tools, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Programming Principles, File I/O, Computer Programming Tools, Code Reusability, Computer Programming, Matlab, Debugging, Linear Algebra, Mathematical Software, Computer Science, Development Environment, C (Programming Language), Data Import/Export, Computational Logic, Data Structures
★ 5 (6) · Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Responsible AI, AI Personalization, Education Software and Technology, Generative AI Agents, Developing Training Materials, AI Enablement, Workforce Development, Artificial Intelligence and Machine Learning (AI/ML), Performance Analysis, Learning Management Systems, Generative AI, Instructional Design, AI literacy, HR Tech, Learning Styles, Content Creation, Learning Theory, Human Learning, Learning Strategies, Childhood Education and Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Version Control, Restful API, Docker (Software), Containerization, Git (Version Control System), Development Environment, Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, Database Development, JSON, Object-Relational Mapping, Operational Databases, API Testing, Python Programming, Object Oriented Programming (OOP), Data Structures
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months