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: API Testing, Test Automation, Test Script Development, Application Programming Interface (API), Test Case, Restful API, Software Testing, Configuration Management, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Rust (Programming Language), System Programming, Package and Software Management, Data Structures, Software Installation, Test Data, Programming Principles, Secure Coding, Maintainability, Debugging, Software Design Patterns, Integrated Development Environments, Data Sharing, Data Management, Command-Line Interface, Capacity Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), Data Wrangling, NumPy, Data Visualization, Data Cleansing, Data Structures, Data Analysis, Data Manipulation, Data Preprocessing, Data Transformation, Exploratory Data Analysis, Statistical Analysis, Jupyter, Programming Principles, Python Programming, Scripting
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, AI Workflows, Operational Efficiency, No-Code Development, Automation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cloud-Native Computing, Prometheus (Software), Grafana, Software Architecture, CI/CD
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Logistic Regression, Data Cleansing, Apache Spark, PySpark, Data Manipulation, Applied Machine Learning, Classification And Regression Tree (CART), Data Science, Machine Learning, Google Cloud Platform, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Vocabulary, Critical Thinking, Problem Solving, Grammar, English Language, Literacy, Analytical Skills, Learning Strategies, Verbal Communication Skills, Time Management
Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Responsible AI, AI Enablement, Technology Strategies, Artificial Intelligence, Business Ethics, Strategic Leadership, Artificial Intelligence and Machine Learning (AI/ML), Project Management, Legal Risk, Law, Regulation, and Compliance, Ethical Standards And Conduct, LLM Application, Decision Making, Generative AI, Needs Assessment, Mitigation
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Virtual Private Networks (VPN), Cryptographic Protocols, Network Protocols, General Networking, Computer Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Differentiated Instruction, Diversity Awareness, Cultural Diversity, Cultural Responsiveness, Blended Learning, Special Education, Pedagogy, Higher Education, Student-Centred Learning, Instructional Strategies, Social Justice
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Goal Setting, Smart Goals, Adaptability, Empowerment, Business Priorities, Professional Development, Productivity, Performance Metric, Key Performance Indicators (KPIs), Communication, Personal Development, Expectation Management, Milestones (Project Management), Business Strategies, Organizational Change, Time Management, Self-Motivation, Accountability, Strategic Thinking, Problem Solving
Beginner · Course · 1 - 4 Weeks