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 Programming, Frontend Integration, Java, Development Environment, Scalability, Load Balancing, Data Integration, Configuration Management, File I/O, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Systems Administration, Shell Script, Linux Commands, Linux Administration, Unix Shell, Linux, Unix, Scripting, Scripting Languages, IT Automation, File I/O
Beginner · Guided Project · Less Than 2 Hours

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Vibrations, Matlab, Engineering Analysis, Mechanical Engineering, Mechanical Design, Mathematical Software, Applied Mathematics, Mechanics, Differential Equations, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Machine Learning Algorithms, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, Plot (Graphics), Probability & Statistics, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Python Programming, Data Preprocessing, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Data Transformation, Data Import/Export, File I/O, Data Wrangling, Extensible Markup Language (XML), Data Manipulation, Visual Basic (Programming Language), Spreadsheet Software, Automation, Microsoft 365, Microsoft Office, Data Science, Query Languages, File Management, Debugging, Performance Improvement, Computer Programming
Intermediate · Specialization · 3 - 6 Months

UiPath
Skills you'll gain: Prompt Engineering, Agentic Workflows, Prompt Patterns, Agentic systems, Business Process Automation, Prompt Engineering Tools, Automation, Robotic Process Automation, Generative AI Agents, LLM Application, Responsible AI, AI Workflows, Decision Intelligence, Large Language Modeling, Artificial Intelligence, AI Security, Data Ethics
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Integration, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Debugging, Program Development, Unreal Engine, Animation and Game Design, Animations, No-Code Development, Integrated Development Environments, Graphics Software, Computer Programming, C++ (Programming Language), Event-Driven Programming, Programming Principles, Object Oriented Programming (OOP), Code Reusability, C# (Programming Language), User Interface (UI), Software Installation
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon CloudWatch, Cloud Infrastructure, Cloud Management, Amazon Web Services, Amazon S3, Cloud Hosting, Cloud Computing, Amazon Elastic Compute Cloud, Data Migration, Cloud Security, Virtual Networking, MySQL, Systems Administration, Database Management, Network Architecture, Network Security, Configuration Management, Resource Management, Performance Analysis
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java, Web Applications
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Interface (UI), Embedded Software, Interactive Design, Human Computer Interaction, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Software Design, Usability, HTML and CSS, Interaction Design, Real-Time Operating Systems, Hypertext Markup Language (HTML), Internet Of Things, Technical Design, User Experience Design, jQuery, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks