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.

Packt
Skills you'll gain: Node.JS, Containerization, Kubernetes, Cloud-Native Computing, Distributed Computing, Load Balancing, Dataflow, Scalability, Unit Testing, Data Pipelines, Test Script Development, Test Automation, API Gateway, Server Side, Microservices, Event-Driven Programming, Javascript, Software Architecture, Web Development, Web Applications
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: AI Enablement, Data Ethics, Large Language Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, AI Workflows, Prompt Engineering, Large Language Modeling, Model Deployment, Embeddings, Vector Databases
★ 4.5 (173) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Data Persistence, Development Environment, Angular, Test Automation, Test Script Development, Program Development, JavaScript Frameworks, Debugging, Application Lifecycle Management, Cross Platform Development, User Interface (UI), Web Development Tools, Application Frameworks, Video Game Development, Event-Driven Programming, Node.JS, Application Design, Web Applications, Javascript
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Database Design, Relational Databases, SQL, Database Management, Database Theory, Database Systems, Data Integrity, Data Store, Database Development, Network Model, Database Architecture and Administration, Database Management Systems, Systems Development, Microsoft SQL Servers, Performance Tuning, Requirements Analysis, Systems Development Life Cycle, Data Modeling, Data Architecture, Data Manipulation
Beginner · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Descriptive Statistics, Data Manipulation, Data Presentation, Data Visualization Software, Data Management, Data Literacy, Graphing, SAS (Software), Peer Review, Data Analysis, Statistics, Exploratory Data Analysis, Statistical Programming, Statistical Analysis, Python Programming
★ 4.4 (946) · Mixed · Course · 1 - 3 Months

Skills you'll gain: LangGraph, AI Orchestration, Agentic Workflows, Workflow Management, LLM Application, Prompt Engineering, Prompt Patterns, Process Optimization, Generative AI Agents, Large Language Modeling, Process Driven Development, Business Process Automation, Operational Efficiency, Agentic systems, Automation, Context Management
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: JSON, Data Processing, Data Wrangling, Restful API, Data Manipulation, Data Access, Application Programming Interface (API), Python Programming, Data Import/Export, Data Transformation, Data Structures, File I/O, Data Collection
★ 4.7 (4.1K) · Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 3 - 6 Months

Skills you'll gain: SQL Server Integration Services (SSIS), Azure Synapse Analytics, Data Mapping, Data Warehousing, Extract, Transform, Load, Data Validation, Power BI, Data Architecture, Workflow Management, Data Transformation, Data Visualization Software, Data Management, Data Integration, Business Intelligence, Warehousing, Apache Spark, SQL, Analytics, Data Pipelines, Apache
★ 4.8 (85) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Development, Development Environment, Program Development, Application Lifecycle Management, Cross Platform Development, User Interface (UI), Web Applications, Event-Driven Programming, User Interface (UI) Design, Application Frameworks, Node.JS, Software Development Tools, HTML and CSS, Hypertext Markup Language (HTML), Package and Software Management, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Bash (Scripting Language), grep, Unix Shell, Linux Commands, Unix Commands, Scripting, Unix, Scripting Languages, Linux, Command-Line Interface, Code Reusability, Windows PowerShell, IT Automation, Mathematical Software, File I/O, User Interface (UI), File Management, Mac OS
Intermediate · Course · 1 - 3 Months