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: Predictive Modeling, Model Evaluation, Data Visualization, Statistical Analysis, Predictive Analytics, Feature Engineering, Classification And Regression Tree (CART), Data Mining, Advanced Analytics, Statistical Modeling, Risk Modeling, R (Software), R Programming, Data Preprocessing, Data Cleansing, Transaction Processing, Unsupervised Learning, Model Training, Model Optimization, Machine Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Server Side, React Redux, Full-Stack Web Development, MySQL, React.js, Frontend Integration, Application Deployment, Back-End Web Development, Node.JS, Database Management, Web Applications, Front-End Web Development, Continuous Deployment, Application Development, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Frontend Performance, CI/CD, E-Commerce, Restful API
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: OAuth, Microservices, Spring Framework, Spring Boot, Containerization, Application Deployment, Apache Kafka, Development Testing, Software Testing, Docker (Software), Kubernetes, Unit Testing, Authentications, Integration Testing, Data Access, Software Architecture, Secure Coding, Restful API, Java Programming, Java
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Systems, Data Store, Database Architecture and Administration, Database Management, Database Management Systems, Relational Databases, Data Architecture, Data Warehousing, SQL, Data Import/Export, Query Languages, Data Processing, Extract, Transform, Load, Software Installation, Performance Tuning, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Object Oriented Design, Software Architecture, Java, Java Programming, Integrated Development Environments, Development Environment, Data Structures, Command-Line Interface, Data Management
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java, Enterprise Architecture, Java Programming, Enterprise Application Management, Secure Coding, Software Design, Model View Controller, System Monitoring, Security Controls, Software Architecture, Application Security, Maintainability, Application Frameworks, Programming Principles, Authorization (Computing), Authentications, Program Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Infrastructure as Code (IaC), YAML, System Configuration, Debugging, Code Reusability, Configuration Management
Intermediate · Course · 1 - 4 Weeks

EDUCBA
★ 5 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Objective-C (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Javascript, Application Programming Interface (API), Computer Programming, Data Access, Data Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, DeepSeek API, OpenAI, Model Deployment, AI Integrations, Responsible AI, LLM Application, Generative Model Architectures, AI literacy, Competitive Analysis, Strategic Planning, Application Deployment, Data Ethics, Model Evaluation, Case Studies, Cost Benefit Analysis, Automation, Integration Testing, Process Optimization, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, User Interface (UI), Animations, Debugging, Program Development, C# (Programming Language), Scripting, Build Tools, Software Installation
Beginner · Course · 1 - 4 Weeks