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: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Development Environment, Web Development, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing, Software Installation
★ 3.7 (26) · Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Writing and Editing, Writing, Editing, Discussion Facilitation, Cooperation, Professionalism, Teamwork, Public Speaking, Verbal Communication Skills, Communication Strategies, Research, English Language, Communication, Higher Education, Persuasive Communication, Planning, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
★ 3 (6) · Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Data Visualization, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
★ 4.6 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Database Administration, Operational Databases, Database Software, Database Architecture and Administration, Database Systems, Relational Databases, Database Management, SQL, Data Storage, Data Management, Performance Tuning, Data Integrity, Cyber Security Policies, Security Controls, Authorization (Computing), Identity and Access Management, System Monitoring, User Accounts
★ 5 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Restful API, Web Development, Program Development, Event-Driven Programming, Python Programming, GitHub
★ 4.9 (27) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Administration, Operational Databases, Data Maintenance, Database Architecture and Administration, Data Migration, Database Software, Relational Databases, Database Systems, Patch Management, Database Design, Data Integrity, Data Import/Export, Database Management Systems, SQL, Data Storage, Data Management
★ 5 (39) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Email Automation, Prompt Patterns, AI Workflows, AI Integrations, JSON, Token Optimization, OpenAI API, Google Gemini, Gmail, Anthropic Claude, OpenAI, Automation, Generative AI, Automation Engineering, Large Language Modeling, No-Code Development, API Design, Natural Language Processing, Webhook Security
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Database Development, Database Systems, Relational Databases, Databases, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Box Plots, Plot (Graphics), Data Visualization, Ggplot2, Data Visualization Software, Statistical Visualization, Scatter Plots, Histogram, Data Analysis, Graphing, Python Programming
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional de Colombia
Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Time Series Analysis and Forecasting, Data Mining, Data Science, Statistical Methods, Python Programming, Data Processing, Applied Machine Learning, Computer Programming, Data Preprocessing, Exploratory Data Analysis, Mathematical Modeling, Artificial Neural Networks
★ 4.8 (35) · Intermediate · Course · 1 - 3 Months