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: Threat Modeling, Application Security, Secure Coding, Authentications, OAuth, Software Testing, Software Development Life Cycle, Unit Testing, Security Testing, Unified Modeling Language, Application Design, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Manipulation, Statistical Analysis, R (Software), Ggplot2, R Programming, Data Wrangling, Data Transformation, Data Visualization Software, Data Science, Applied Machine Learning, Data Preprocessing, Probability & Statistics, Data Analysis, Statistical Modeling, Machine Learning Methods, Regression Analysis, Statistical Software, Data-Driven Decision-Making, Statistical Programming, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Management, Data Quality, Data Validation, Data Integrity, Data Pipelines, YAML, Verification And Validation, Quality Assurance, Test Automation, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Vector Databases, SQL, Agentic Workflows, Database Architecture and Administration, Generative AI Agents, Query Languages, AI Integrations, Tool Calling, Databases, Google Cloud Platform, AI Security, Embeddings, Agentic systems, Retrieval-Augmented Generation, Debugging, Application Deployment
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Web Development Tools, TypeScript, Server Side, Software Development Tools, Development Environment, Web Servers, Web Development, Back-End Web Development, Web Applications, Javascript, Git (Version Control System), Webpack, Frontend Integration, Package and Software Management, File I/O, Application Programming Interface (API), HTML and CSS, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Prometheus (Software), Amazon Bedrock, Rust (Programming Language), System Monitoring, Site Reliability Engineering, Command-Line Interface, Grafana, Continuous Monitoring, IT Automation, Automation, CI/CD, Prompt Patterns, DevOps, Unix Commands, JSON, Compliance Auditing, Linux, File Systems, File I/O
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Management, MySQL, Control Panels, Database Management, Email Automation, Systems Administration, Server Administration, Databases, System Configuration, Web Analytics and SEO, Network Routing
Mixed · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Business Systems, Business Software, Business Technologies, Database Management, Database Management Systems, Database Systems, Enterprise Resource Planning, Productivity Software, Business Solutions, Information Technology, Microsoft Office, Information Systems, Web Applications, Operating Systems, Web Development, Intranet, Management Information Systems, Web Servers, Enterprise Application Management, Web Language
Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Visualization, Plot (Graphics), Data Manipulation, Data Presentation, Data Analysis, Statistical Programming, Data Import/Export, Data Visualization Software, Statistical Software, Data Processing, SQL, Data Transformation, Code Reusability, Descriptive Statistics
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Looker (Software), Data Pipelines, Data Transformation, Dashboard, Dashboard Creation, Automation, IT Automation, Scripting, Business Intelligence, Interactive Data Visualization, Extract, Transform, Load, Data Warehousing, Data Integrity, Data Quality, Data Integration, Google Cloud Platform, Data Validation, Marketing Analytics, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, User Interface (UI), Cascading Style Sheets (CSS), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Web Applications, Web Development, Front-End Web Development, HTML and CSS, Javascript, Web Design, Real Time Data, Hypertext Markup Language (HTML), Application Programming Interface (API), Event-Driven Programming, Animations
Advanced · Course · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Object Oriented Design, Data Validation, Test Script Development, Object Oriented Programming (OOP), Test Automation, Application Design, Application Development, Software Testing, Test Case, Data Modeling, Verification And Validation, User Interface (UI), Business Logic, Maintainability, Data Integrity
Beginner · Course · 1 - 4 Weeks