Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
AI Engineering
Data Analysis
Cybersecurity
Arab-Islamic History: From Tribes to Empires
ODS en la Agenda 2030 de las Naciones Unidas: Retos de los Objetivos de Desarrollo Sostenible
Understanding Dementia
Organize and share your learning with Class Central Lists.
View our Lists Showcase
XuetangX is an open online learning platform for Chinese students. It offers massive courses in multiple disciplines, with a mission to build an affordable, quality learning environment for everyone.
Learn to prepare construction bids, manage contracts, adjust prices, and make claims arising from engineering changes.
Learn to evaluate engineering project alternatives using cash flows, time value of money, risk analysis, equipment replacement, and value engineering.
用专业英语系统学习国际贸易流程、术语、单证、运输、保险及支付,培养进出口业务磋商、签约与履约能力。
Explore how information systems solve enterprise management problems through databases, system development, e-commerce, and project-based design.
Introduces cloud computing through big data, Hadoop implementation, SQL databases, and distributed database concepts.
Develop clear spoken English through listening tasks, classroom discussions, and reflection on workplace communication, media literacy, AI literacy, and social issues.
Apply TRIZ inventive thinking to ecological protection, economic transformation, and global energy-system challenges.
Explores the structures, principles, and engineering applications of photoelectric, thermoelectric, and CCD image sensor devices.
Food chemistry mainly introduces how the composition, physical and chemical properties, and function of foods are impacted by processing, transportation and storage, as well as how these impacts affect the nutrition, safety and enjoyableness of foods.
Develops English academic writing for graduate researchers, from abstracts and literature reviews to plagiarism avoidance, journal submission, revision, and conference presentations.
Learn medical English through human body systems, medical terminology formation, clinical writing, and culturally varied discussions of diseases and treatment.
通过校园生活中的真实情景对话与口语训练,提升英语学习者在日常交际中的表达与跨文化理解能力。
An overview of Chinese culture spanning philosophy, literature, arts, education, science, festivals, food, clothing, architecture, and tourism.
Explore how Chinese traditions, everyday culture, and technological innovation intersect, from festivals and medicine to aerospace, architecture, and century-old brands.
全英文解析电影镜头、叙事、类型与影人艺术,结合经典案例提升英语能力与电影审美。
Get personalized course recommendations, track subjects and courses with reminders, and more.