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.

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
★ 4.4 (69) · Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Interface (UI), Interactive Design, Computer Graphics, Video Game Development, Mobile Development, Visualization (Computer Graphics), Web Applications, Game Design, Animations, Musical Composition, Music, Multimedia, Computer Programming, Digital Signal Processing, Computer Programming Tools
★ 4.1 (55) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Web Services, Restful API, Web Applications
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Exploitation techniques, Brute-force attacks, Scripting, Authentications, Python Programming, Data Access, Identity and Access Management, Automation
★ 4.5 (81) · Beginner · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Deployment, Amazon Web Services, Hardware Architecture, Cloud Applications, Performance Tuning, Software Development, Computer Architecture, Dataflow, Development Environment, Software Development Tools, Memory Management, Computational Logic, Programming Principles
★ 4.7 (77) · Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Machine Controls, Simulation and Simulation Software, Model Based Systems Engineering, Mechanical Engineering, Control Systems, Computer Vision, Laboratory Experience, Simulations, Image Analysis, Robotics, Experimentation, Matlab, Electronic Systems, Vibrations, Hydraulics, Mathematical Modeling, Engineering Analysis, Automation, Model Evaluation, Data Validation
★ 4.5 (29) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Analytics, People Analytics, Data Analysis, Advanced Analytics, Business Metrics, Statistical Analysis, Statistical Programming, Descriptive Analytics, Probability & Statistics, Statistics, Python Programming, Statistical Methods, Data Manipulation
★ 4.5 (53) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI, Google Cloud Platform, LLM Application, Large Language Modeling, Cloud Computing
★ 4.4 (20) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Test Tools, Mainframe Computing, Mainframe Technologies, Computer Programming Tools, File I/O
★ 4.4 (131) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Model Evaluation, Machine Learning Algorithms, Model Optimization, Scikit Learn (Machine Learning Library), Model Training, Unsupervised Learning, Text Mining, Time Series Analysis and Forecasting, Pandas (Python Package), Classification Algorithms, Machine Learning, Applied Machine Learning, Supervised Learning, Predictive Modeling, Unstructured Data, Feature Engineering, Jupyter, Regression Analysis, Data Preprocessing, Python Programming
★ 4.6 (45) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development Tools, Web Design and Development, Web Design, Web Development, Front-End Web Development, Software Development Tools, Semantic Web, Development Environment, Integrated Development Environments
★ 3.1 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Test Automation, Test Case, Development Testing, Software Testing, Python Programming, Requirements Analysis
★ 3.8 (30) · Intermediate · Course · 1 - 3 Months