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: Unit Testing, Flask (Web Framework), Application Deployment, Software Testing, Cloud Applications, Web Applications, AI Integrations, Python Programming, IBM Cloud, Web Development, Artificial Intelligence, Application Lifecycle Management, Integrated Development Environments, Application Programming Interface (API), Programming Principles
★ 4.4 (1.4K) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Machine Learning Methods, Generative AI, Data Management, Generative Model Architectures, Big Data, Statistical Machine Learning, Applied Machine Learning, Machine Learning Algorithms, Generative Adversarial Networks (GANs), AI Enablement, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Customer Data Management, AI literacy, Autoencoders, Model Optimization, Deep Learning, Model Evaluation, Algorithms
★ 4.8 (1.1K) · Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
★ 4.4 (2.3K) · Intermediate · Course · 1 - 3 Months
University of Washington
Skills you'll gain: Machine Learning Methods, Network Model, Electrophysiology, Supervised Learning, Machine Learning Algorithms, Artificial Neural Networks, Reinforcement Learning, Sensory Systems Analysis, Matlab, Mathematical Modeling, Network Analysis, Neurology, Recurrent Neural Networks (RNNs), Physiology, Biology, Differential Equations, Probability Distribution
★ 4.6 (1.1K) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Dimensionality Reduction, Unsupervised Learning, Statistical Methods, Applied Machine Learning, Data Analysis Software, Machine Learning Algorithms, Molecular, Cellular, and Microbiology, Markov Model, Biotechnology, Life Sciences, Infectious Diseases, Microbiology, Epidemiology, Statistical Analysis, Precision Medicine, Algorithms, Computational Thinking, Python Programming
★ 4.3 (1.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: System Programming, Memory Management, Performance Tuning, OS Process Management, Operating Systems, Linux Administration, Linux, Real-Time Operating Systems, System Software, Operating System Administration, Linux Servers, Linux Commands, C (Programming Language), System Configuration, Hardware Architecture, Systems Analysis, Resource Management, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Security Testing, Exploitation techniques, Vulnerability Assessments, Cyber Security Assessment, Server Side, Test Tools, Cyber Security Strategy, SQL, Hypertext Markup Language (HTML), Databases, Query Languages, SQL Server Integration Services (SSIS), Ethical Standards And Conduct, Amazon S3
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Program Development, Data Import/Export, Object Oriented Programming (OOP), Microsoft Excel, Problem Solving, Computer Programming, Solution Design, Simulations, Debugging, Code Review, Data Cleansing, Code Reusability, Spreadsheet Software, UI Components, Automation, Data Management, User Interface (UI)
★ 4.8 (4.8K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux Administration, System Programming, Linux, Embedded Software, Linux Servers, Linux Commands, System Software, System Configuration, Operating Systems, Debugging, Memory Management, Embedded Systems, Cross Platform Development, Open Source Technology, Secure Coding, Configuration Management, C (Programming Language), Hardening, Program Development, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic Workflows, LangChain, LLM Application, Tool Calling, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Patterns, Retrieval-Augmented Generation, Prompt Engineering, AI Integrations, Application Development, Data Visualization, Responsible AI, Large Language Modeling, Risking
★ 4.6 (310) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Spring Framework, Secure Coding, Lightweight Directory Access Protocols, OAuth, Authorization (Computing), Application Security, Authentications, Security Assertion Markup Language (SAML), Back-End Web Development, Object-Relational Mapping, Identity and Access Management, Spring Boot, Database Development, Data Access, Role-Based Access Control (RBAC), Java, User Flows, Data Persistence, Kubernetes, Power BI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Dashboard, Web Scraping, Data Analysis, Data Presentation, Analytical Skills, Data Visualization Software, Graphing, Pandas (Python Package), Data Science, Jupyter, Python Programming, Data Collection
★ 4.5 (4.9K) · Intermediate · Course · 1 - 4 Weeks