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.

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Scalability, Load Balancing, Restful API, Web Applications, File Management
Mixed · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Data Visualization, Exploratory Data Analysis, Data Presentation, Applied Machine Learning, Classification Algorithms, Machine Learning Methods, Predictive Modeling, Deep Learning, Classification And Regression Tree (CART), Data Analysis, Predictive Analytics, Machine Learning Algorithms, Model Evaluation, Machine Learning, Feature Engineering, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Environmental Monitoring, Image Analysis, Python Programming, Jupyter, Model Evaluation, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, PostgreSQL, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Database Management, Databases, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Business Process Automation, Generative AI, AI Workflows, Automation, OpenAI, Multimodal Prompts, Slack (Software), AI Personalization, Human Resources, Performance Metric, Key Performance Indicators (KPIs), Real Time Data, Google Sheets, Application Programming Interface (API), Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: PostgreSQL, SQL, Query Languages, Data Transformation, Data Manipulation, Database Development, Data Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Java, Application Design, Unit Testing, Middleware, Service Oriented Architecture, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: OpenAI API, LLM Application, Application Programming Interface (API), Performance Testing, Artificial Intelligence, User Acceptance Testing (UAT), Prompt Engineering, Application Development, Test Execution Engine
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Data Security, Dashboard, Tableau Software, Data Cleansing, Data Integration, Extract, Transform, Load, SQL, Personally Identifiable Information, Microsoft Excel, Data Governance, Data Preprocessing, Data Transformation, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 3 Months