English vocabulary courses can help you learn word formation, synonyms, antonyms, and contextual usage. You can build skills in effective communication, reading comprehension, and writing clarity. Many courses introduce tools like flashcards, vocabulary apps, and quizzes to reinforce learning and track progress. You’ll also explore topics such as idiomatic expressions, phrasal verbs, and specialized terminology across various fields, enhancing your ability to express ideas clearly and accurately.

The Pennsylvania State University
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Microbiology, Public Health, Pathology, Immunology, Preventative Care, Sanitation, Social Determinants Of Health, Social Sciences, Community Health, Molecular, Cellular, and Microbiology, Medical Science and Research, Biology, Drug Development, Social Network Analysis, Case Studies
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Image Quality, Web Content, Front-End Web Development, Web Servers, Semantic Web, Cloud Hosting
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Blockchain, Cryptography, Encryption, Payment Systems, FinTech, Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Distributed Computing, Emerging Technologies, Scripting, Financial Regulation, Market Dynamics
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Linear Algebra, Algebra, Advanced Mathematics, Mathematical Modeling, Engineering Analysis, Applied Mathematics, Mathematical Theory & Analysis, Geometry
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Organizational Skills, Research, Writing, Research Methodologies, Critical Thinking, Writing and Editing, Proofreading, Editing, Grammar, Style Guides
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Environmental Regulations, Chemistry, Environmental Laws, Laboratory Testing, Public Health, Environmental Monitoring, Environmental Science, Health Assessment, Public Health and Disease Prevention, Environmental Policy, Case Studies, Risk Analysis
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Building Information Modeling, Data Modeling, 3D Modeling, Computer-Aided Design, Construction, Engineering Practices, Construction Management, Civil Engineering, Mechanical Engineering
Beginner · Course · 1 - 3 Months

MedCerts
Skills you'll gain: Medical Terminology, Pharmacy Experience, Medication Dispensation, Pharmacist Assistance, Medical Prescription, Pharmacology, Conflict Management, Pharmacy Operations, Anatomy, Pathology, Pharmacy Information System, Cultural Responsiveness, Patient Safety, Patient Education And Counseling, Patient-centered Care, Pharmacy, Professionalism, Medication Administration, Medical Records, Physiology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Facebook, Marketing Analytics, Advertising, Digital Advertising, Social Media Content, Social Media Marketing, Social Media, Content Marketing, Scheduling, Target Audience, Social Media Management, Customer Engagement
Mixed · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Problem Solving, Vocabulary, Logical Reasoning, Critical Thinking, Deductive Reasoning, Arithmetic, Data Literacy, Analytical Skills, Complex Problem Solving, Grammar, English Language, Data Analysis, Learning Strategies, Trend Analysis, Applied Mathematics, Data Presentation, Verbal Communication Skills, Analysis, Quantitative Research, Estimation
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Machine Controls, Engineering, Scientific, and Technical Instruments, Embedded Systems, Electronic Hardware, Embedded Software, Automation Engineering, Hardware Design, Electronics Engineering, Manufacturing Processes, Basic Electrical Systems, Electronic Systems, Electronics, Electrical Systems, Electrical and Computer Engineering, Electronic Components, Power Electronics, Three-Phase, Torque (Physics)
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Rmarkdown, Data Presentation, Data Ethics, Data Storytelling, Data Visualization, Data Cleansing, Stakeholder Communications, Analytical Skills, Data-Driven Decision-Making, Interactive Data Visualization, Data Visualization Software, Data Validation, Dashboard, Ggplot2, Interviewing Skills, Case Studies, Data Access, Spreadsheet Software, Data Analysis, Data Manipulation
Beginner · Professional Certificate · 3 - 6 Months