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: Graph Theory, C++ (Programming Language), C and C++, Network Routing, Data Structures, Object Oriented Programming (OOP), File I/O, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Test Case, Software Configuration Management, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Data Management, Secure Coding, Theoretical Computer Science, Programming Principles, Other Programming Languages, Performance Tuning, Computer Programming
★ 3.7 (14) · Intermediate · Specialization · 1 - 3 Months

MathWorks
Skills you'll gain: Electrical Systems, Electric Power Systems, Simulation and Simulation Software, Simulations, Mathematical Modeling, Control Systems, Electronic Systems, Electrical Safety, Energy and Utilities, Basic Electrical Systems, Design Specifications, Performance Testing, Matlab, Estimation, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Bash (Scripting Language), Git (Version Control System), GitHub, Version Control, Unix Shell, Ubuntu, Shell Script, Scripting, Unix, Scripting Languages, Unix Commands, Linux, System Configuration, grep, Linux Administration, Linux Commands, File Management, Configuration Management, File I/O
★ 2.9 (13) · Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, Infrastructure as Code (IaC), DevOps, YAML, Linux, Encryption, Security Controls
★ 3.3 (15) · Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Exploratory Data Analysis, Regression Analysis, R Programming, Statistical Analysis, Statistical Programming, R (Software), Statistical Modeling, Business Analytics, Analytics, Data Analysis, Statistics, Statistical Methods, Predictive Modeling, Statistical Inference, Data Transformation, Estimation, Statistical Hypothesis Testing, Model Evaluation
★ 5 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
★ 5 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Debugging, Program Development, Data Structures, Code Reusability, Python Programming, Scripting, Programming Principles, Computer Programming, Development Environment, Scripting Languages, Computational Logic
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Diversity Awareness, Computational Thinking, Digital pedagogy, Education Software and Technology, Event-Driven Programming, Programming Principles, Program Development, Animation and Game Design, Computer Programming, Brainstorming
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Agentic systems, Generative AI, Generative Model Architectures, Agentic Workflows, Responsible AI, AI Orchestration, Large Language Modeling, AI Security, Artificial Intelligence, LLM Application, Tool Calling, LangChain, Restful API, Automation, Natural Language Processing, Python Programming, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months