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.

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Vulnerability Scanning, Kubernetes, Cloud Infrastructure, Cyber Security Strategy, Email Security, Virtualization, SQL
★ 4.7 (51) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Responsible AI, Data Ethics, Generative Adversarial Networks (GANs), Generative Model Architectures, LLM Application, Agentic systems, AI Security, Law, Regulation, and Compliance, Agentic Workflows, Discussion Facilitation, Regulatory Requirements, Regulatory Compliance, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, SAS (Software), Analytics, Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Keras (Neural Network Library), Data Preprocessing, Artificial Neural Networks, Statistical Visualization, Predictive Modeling, Model Training, Tensorflow, Applied Machine Learning, Feature Engineering, Data Processing, Data Science, Predictive Analytics, Data Manipulation, Deep Learning, Data Wrangling, Machine Learning, Model Evaluation, Regression Analysis, Python Programming
★ 4.7 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Portfolio Management, Plotly, Data Visualization, Portfolio Risk, Interactive Data Visualization, Investment Management, Exploratory Data Analysis, Plot (Graphics), Return On Investment, Financial Modeling, Financial Analysis, Statistical Analysis, Financial Data, Risk Modeling, Market Data, Finance, Equities, Data Analysis, Python Programming, Data Preprocessing
★ 4.6 (47) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Business Analysis Tools, Systems Analysis, Data Flow Diagrams (DFDs), Project Design, Development Environment
★ 5 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Seaborn, Plotly, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming, Predictive Modeling, Data Science, Jupyter, Computing Platforms
★ 4.5 (182) · Intermediate · Guided Project · Less Than 2 Hours
Northeastern University
Skills you'll gain: Responsible AI, Data Ethics, Social Determinants Of Health, Health Equity, Mental Health, Artificial Intelligence, Mental Health Diseases and Disorders, Natural Language Processing, Healthcare Ethics, AI literacy, AI Integrations, Governance, Risk Mitigation, Risk Analysis
★ 4.5 (13) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), User Interface and User Experience (UI/UX) Design, Web Design, Digital Design, HTML and CSS, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Layout Design, Cascading Style Sheets (CSS), Creative Design, Usability, User Experience Design, Code Reusability, Web Applications, Hypertext Markup Language (HTML), Color Theory
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages, Database Management
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Programming Principles, Computer Programming, Algorithms, Program Development, Python Programming, Data Manipulation, Analysis
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
★ 4.8 (14) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: SQL, Relational Databases, Microsoft Copilot, Database Management, Transaction Processing, Database Development, Query Languages, Database Design, Database Architecture and Administration, Secure Coding, Object-Relational Mapping, Performance Tuning, Data Integrity, Data Modeling, Data Security
★ 4.8 (18) · Beginner · Course · 1 - 4 Weeks