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: Threat Modeling, Security Controls, Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Vulnerability Management, Cybersecurity, Hardening, Network Security, Stakeholder Communications, Relational Databases, Security Information and Event Management (SIEM), TCP/IP, Cyber Attacks, Bash (Scripting Language), Incident Management, Threat Management, Data Security, Security Management, Debugging
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Structures, Algorithms, Theoretical Computer Science, Computational Thinking, Data Science, Analysis, Probability & Statistics, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Image Quality, Digital Signal Processing, Image Analysis, Computer Vision, Digital Communications, Computer Graphics, Medical Imaging, Applied Mathematics, Sensory Systems Analysis, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram, Differential Equations
Mixed · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, Bash (Scripting Language), File Management, Unix Shell, User Provisioning, System Monitoring, Shell Script, Operating Systems, System Software, Patch Management, Software Installation, OS Process Management
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, File I/O, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Data Structures, Program Development, Algorithms, Interactive Design, Data Modeling, FinTech, Software Engineering, Test Data, Verification And Validation, Software Installation
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Analysis, Applied Mathematics, Mathematical Modeling, Graphing, Trigonometry, R (Software), R Programming, General Mathematics, Data Modeling, Algebra, Systems Of Measurement, Mathematical Software, Regression Analysis, Calculus, Business Mathematics, Geometry
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, IBM DB2, Star Schema, PostgreSQL, Snowflake Schema, Data Mart, Data Architecture, Data Modeling, Database Design, Database Systems, Data Lakes, Data Integration, Query Languages, Data Validation, Data Cleansing, SQL, Data Quality
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Software Design, Code Reusability, Program Development, Java, Java Programming, AI Personalization, Object Oriented Programming (OOP), Data Preprocessing, Data Structures, Algorithms, File I/O, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Infectious Diseases, Biotechnology, Precision Medicine, Biochemistry, Brute-force attacks, Computational Thinking, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Threat Modeling, Systems Architecture, Hardening, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Security Engineering, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols, OS Process Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, AI Integrations, Tool Calling, Large Language Modeling, Software Design Patterns, Memory Management
Intermediate · Course · 1 - 4 Weeks