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: Data Processing, Data Pipelines, Data Infrastructure, Google Cloud Platform, Data Warehousing, MLOps (Machine Learning Operations), Data Visualization, Model Deployment, Data Quality, Cloud Engineering, Scalability, Data Storage, Cloud Security, Machine Learning, SQL
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Legal Risk, Legal Technology, Compliance Management, Legal Strategy, Data Ethics, Responsible AI, AI Enablement, AI Workflows, Risk Management, Artificial Intelligence, Risk Analysis, Mitigation, Governance, Analysis, Innovation, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Applied Machine Learning, Data Science, Python Programming, Scikit Learn (Machine Learning Library), NumPy, Computational Thinking, Machine Learning Algorithms, Pandas (Python Package), Data Preprocessing, Data Analysis, Exploratory Data Analysis, Programming Principles, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Browser Compatibility, Javascript and jQuery, Web Scraping, Automation, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Docker (Software), Containerization, DevOps, Kubernetes, Command-Line Interface, CI/CD, Application Deployment, YAML, Microservices, Virtual Machines, Software Installation, Network Architecture
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Threat Hunting, Cyber Operations, Cyber Security Assessment, Cybersecurity, Operating Systems, Hardening, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Intrusion Detection and Prevention, System Programming, Authentications, Data Persistence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Graph Theory, C++ (Programming Language), Network Routing, Data Structures, Object Oriented Programming (OOP), File I/O, Computational Thinking, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Regression Analysis, Statistical Analysis, Time Series Analysis and Forecasting, Logistic Regression, R Programming, Statistical Hypothesis Testing, Probability & Statistics, Statistical Modeling, R (Software), Statistical Methods, Statistics, Predictive Modeling, Generative AI, Forecasting, Descriptive Statistics
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AWS CloudFormation, Amazon Web Services, Amazon Elastic Compute Cloud, Event-Driven Programming, Serverless Computing, Event Monitoring, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Case Studies, Business Systems Analysis, Data Modeling, Software Engineering, Business Systems, Object Oriented Programming (OOP), Unified Modeling Language, Software Design, Business Modeling, System Design and Implementation, Complex Problem Solving
Mixed · Course · 1 - 4 Weeks