Class Central

Rankings
Career Certificates

Subjects

View all

Technology
Business
Creative
STEM
Health & Wellness
People & Society
Personal Growth & Lifestyle

View all Subjects

Universities
The Report

Courses from 1000+ universities

Rankings

Best Courses

Best of All Time
Best of the Year

Most Popular Courses

Most Popular of All Time
Most Popular of the Year

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
View all Career Certificates

Technology

Computer Science
Artificial Intelligence
Data Science
Web Development
Programming
Databases
IT & Networking
DevOps
UX/UI Design
Blockchain & Cryptocurrency
Extended Reality (XR)
Generative AI
Cloud Computing
Cybersecurity
Game Development
Product Management
View all Technology

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Project Management
Sales
Business Software
Real Estate
Professional Development
Accounting
Supply Chain Management
Business Strategy
Human Resources
View all Business

Creative

Music
Digital Media
Visual Arts
Design
Crafts
Performing Arts
AI Art
View all Creative

STEM

Mathematics
Engineering
Science
Statistics & Probability
Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
View all STEM

Health & Wellness

Disease & Disorders
Public Health
Health Care
Nursing
Mental Health
Continuing Medical Education (CME)
Medicine
Wellness
Nutrition
View all Health & Wellness

People & Society

Humanities
Education & Teaching
Social Sciences
History
Literature
Sociology
Economics
Psychology
Anthropology
Political Science
Law
Language Learning
Writing
Philosophy
Religion
View all People & Society

Personal Growth & Lifestyle

Personal Development
Sports & Recreation
Personal Finance
Parenting & Family
Food & Drink
Self-Defense & Martial Arts
Gardening
Productivity & Time Management
Games
Study Skills
Travel
Pets & Pet Care
Beauty & Makeup
Home & Living
Critical Thinking
View all Personal Growth & Lifestyle

Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

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.

Dhawal Shah Sep 03, 2026

Latest

10 Best Python Courses for 2026: For AI and Data
11 Best Product Management Courses for 2026: Certificates and AI Skills
14 Best AI Courses for 2026: For Beginners & Coders
Guide: How to Sign up for Coursera Courses for Free
[2026] 8000+ OpenCourseWare Courses from Top Institutions

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

AI-Assisted Development
1,094 courses
Cybersecurity
11,298 courses
Artificial Intelligence
12,481 courses

Popular courses

The Bible's Prehistory, Purpose, and Political Future
Emory University
Introduction to Programming with MATLAB
Vanderbilt University
Medical Parasitology | 医学寄生虫学
Tsinghua University

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Countries
China

Free Online

China Courses & Certifications

Free online courses and certificates from Peking University, Tsinghua University, Shanghai Jiao Tong University and other top universities in China. Learn Social Media Marketing, Documentary Photography, Chinese Art and other popular topics.

8,724 courses

Showing 8,724 courses

Sort by Relevancy

Filter by

Filters

1. Free course (8,502)
2. With certificate (333)
3. Career certificates (13)
4. From universities (8,254)
Level
1. Beginner (4,320)
2. Intermediate (3,533)
3. Advanced (869)
Duration
1. 2 - 5 hours (6)
2. 5 - 10 hours (19)
3. 10+ hours (305)
Subject
1. STEM (2,751)
2. People & Society (2,160)
3. Health & Wellness (1,204)
4. Business (1,051)
5. Technology (775)
6. Creative (618)
7. Personal Growth & Lifestyle (153)

中医药自媒体创新创业


学习用视听语言、Premiere剪辑和平台运营，将中医药知识转化为短视频内容并探索自媒体创业。
- XuetangX
- Self-Paced
- Free Online Course
纪实摄影


学习以街头、新闻、肖像和组照等形式进行纪实摄影，用影像观察社会并呈现社会记忆与时代之美。
- XuetangX
- Self-Paced
- Free Online Course
丝路上的敦煌艺术


以经变画、佛教图像与多维文献互证，专题解读北凉至元代敦煌艺术的演变、叙事与跨文明交流。
- XuetangX
- Self-Paced
- Free Online Course
中医妇科经典医案与解析


精选中医妇科经典医案，解析古籍与川派名家辨证思路及方药应用。
- XuetangX
- Self-Paced
- Free Online Course
微生物生理学


从微生物细胞结构、营养与代谢调控出发，系统解析微生物生理活动及环境胁迫响应。
- XuetangX
- Self-Paced
- Free Online Course
计算广告学


系统介绍计算广告的产业运作、营销环节与技术基础，聚焦消费者分析、媒介策略和广告效果评估。
- XuetangX
- Self-Paced
- Free Online Course
新时代中国特色社会主义理论与实践


以习近平引用的中华历史文化典故为切入点，阐释新时代中国特色社会主义思想及其与马克思主义、中华优秀传统文化的结合。
- XuetangX
- Self-Paced
- Free Online Course
易游泳


通过水下示范与水陆练习，系统学习蛙泳、自由泳、仰泳和蝶泳的基本技术。
- XuetangX
- Self-Paced
- Free Online Course
文化经济学


从文化价值与经济价值的双向转化出发，系统解析中国文化产业及其数字化、跨界融合的发展逻辑。
- XuetangX
- Self-Paced
- Free Online Course
人工智能中的数学算法


通过泛函分析、频域方法和数值方法研究预测与能源系统中的病态逆问题。
- XuetangX
- Self-Paced
- Free Online Course
Mathematical Algorithm in AI

Study ill-posed inverse problems through functional analysis, frequency-domain methods, forecasting, and energy-system applications.
- XuetangX
- Self-Paced
- Free Online Course
基础营养学


系统学习能量、蛋白质、脂类、碳水化合物、维生素和矿物质等营养成分及其与健康和疾病的联系。
- XuetangX
- Self-Paced
- Free Online Course
高等电动力学


An advanced electrodynamics course that reconstructs Maxwell theory through four-dimensional tensor formalism, from relativistic potentials and radiation to waves in matter.
- XuetangX
- Self-Paced
- Free Online Course
广义相对论


Develops the geometric and physical foundations of general relativity, from curved spacetime and Einstein’s equations to black holes, gravitational waves, and cosmology.
- XuetangX
- Self-Paced
- Free Online Course
计算机图形学


以算法为核心、采用“金字塔式”设计，贯通图形生成、真实感显示、动画与虚拟现实。
- XuetangX
- Self-Paced
- Free Online Course

About Class Central

Class Central helps learners find the best courses on almost any subject, wherever they exist.

Built by learners, since 2011.

Facebook
Twitter
LinkedIn
YouTube
Bluesky

Career Certificates

Generative AI
UX Design
Data Science
Finance
DevOps
Project Management
All Subjects

Coursera
Udemy
Noble Desktop
Simplilearn
CodeSignal
Boot.dev
All Universities

The Report by Class Central RSS Feed

Series Finale of Online Education
Udemy Earns More, Pays Less
Duolingo's 2026 Strategy
1000s of Free Certificates
Best Courses Guides
Best of All Time
Most Popular of All Time

About Us
Careers
Write for The Report
Contact Us

Class Central © 2011-2026 Privacy Policy

Share

Facebook
Twitter
Bluesky
Email

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free

Someone learning on their laptop while sitting on the floor.