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.

Coursera
Skills you'll gain: Debugging, Scripting, Python Programming, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Python Programming, Programming Principles, Computational Logic, Computer Programming, Web Development Tools, Web Development, Software Engineering
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Model Optimization, Data Modeling, Public Health and Disease Prevention, Immunology, R Programming, Regression Analysis, Differential Equations, Statistical Methods, Public Health, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Model Optimization, Keras (Neural Network Library), Tensorflow, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks, Decision Tree Learning, Machine Learning Methods, Applied Machine Learning, Predictive Modeling, Fine-tuning, Scikit Learn (Machine Learning Library), Regression Analysis, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quantum computing, Algorithms, IBM Cloud, Cryptography, Python Programming, Mathematical Software, Simulations
Beginner · Course · 1 - 3 Months

AI Business School
Skills you'll gain: AI literacy, Generative AI, Generative AI Agents, Responsible AI, Sales Enablement, Sales Training, Risk Management, Sales, Artificial Intelligence, Agentic systems, Sales Strategy, Digital Transformation, Risk Mitigation, Innovation, Automation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
Intermediate · Course · 1 - 3 Months

Nikolai Schuler
Skills you'll gain: Data Warehousing, Data Transformation, Data Import/Export, Database Management Systems, Query Languages, SQL, Cloud Computing Architecture, Database Management, Data Management, Amazon S3, Data Analysis
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Apache Airflow, Vector Databases, Performance Tuning, Scalability, Database Management Systems, Database Management, Data Pipelines, MySQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, Cascading Style Sheets (CSS), JavaScript Frameworks, Application Frameworks, UI Components, HTML and CSS, Front-End Web Development, TypeScript, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Data Processing, Dimensionality Reduction, Data Cleansing, Machine Learning Algorithms, Data Transformation, Machine Learning Methods, Artificial Neural Networks, Random Forest Algorithm, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks