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.

University of Colorado System
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Cryptographic Protocols, Application Security, Key Management, Secure Coding, Data Security, Web Development, Email Security, PHP (Scripting Language), Intrusion Detection and Prevention, Data Integrity, Algorithms, User Provisioning, Command-Line Interface
★ 4.5 (100) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Linux, Linux Administration, Unix Shell, File Management, File Systems, Scripting, Command-Line Interface, Remote Access Systems, Data Manipulation, Data Processing, Data Management, Development Environment
★ 4.6 (136) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL
★ 4.3 (66) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computer Programming, Code Reusability, Software Documentation, Computer Science, Maintainability
★ 4.7 (168) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Engineering, Software Development Tools, JUnit, Software Testing, Diagram Design, Design, Data Ethics, Test Automation, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Scripting Languages
★ 4.6 (98) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Data Compilation, Matlab, Scientific Visualization, Data Processing, Data Cleansing, Data Wrangling, Data Manipulation, Histogram, Data Transformation, Data Science, Text Mining, Predictive Modeling, Unstructured Data
★ 4.7 (351) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Mediation, Culture, Intercultural Competence, Diversity Awareness, Language Learning, Language Competency, Cultural Diversity, Multilingualism, Social Justice, Cultural Sensitivity, Storytelling
★ 4.8 (394) · Intermediate · Course · 1 - 3 Months

Automation Anywhere
Skills you'll gain: Robotic Process Automation, Business Process Automation, Control Panels, Automation, Test Automation, Process Design, User Provisioning, Return On Investment, Role-Based Access Control (RBAC), Dashboard, Unstructured Data, User Accounts, Project Design, Feasibility Studies, Analytics, Decision Intelligence, Artificial Intelligence, Operational Analysis, Extensible Markup Language (XML), Workflow Management
★ 4.5 (625) · Beginner · Specialization · 3 - 6 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, AI Integrations, Artificial Intelligence, Data Quality, Model Optimization, Computer Vision, Fine-tuning, Scalability, Data Pipelines, Natural Language Processing
★ 4.6 (24) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: SQL, Google Cloud Platform, Database Development, Database Management, Data Import/Export, Query Languages, Big Data, Data Warehousing
★ 4.5 (117) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: User Interface (UI), iOS Development, Mobile Development, User Interface (UI) Design, Apple iOS, UI Components, Swift Programming, Application Development, Interactive Design, Cross Platform Development, Animations
★ 4.7 (118) · Beginner · Course · 1 - 4 Weeks