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

IT & Networking
9,450 courses
Project Management
2,625 courses
Data Analysis
2,924 courses

Popular courses

Introduction to Indoor Air Quality
The Hong Kong University of Science and Technology
Happier Employees and Return-On-Investment Course
The University of Texas at Austin
Aprender
Universidad Nacional Autónoma de México

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Providers
XuetangX

Free Online

XuetangX Courses

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.

13,689 courses

Showing 13,689 courses

Sort by Relevancy

Filter by

Filters

1. Free course (13,689)
2. With certificate (25)
3. From universities (8,165)
Level
1. Beginner (6,928)
2. Intermediate (5,389)
3. Advanced (1,370)
Duration
Subject
1. STEM (4,157)
2. People & Society (3,254)
3. Business (1,898)
4. Health & Wellness (1,811)
5. Technology (1,198)
6. Creative (1,109)
7. Personal Growth & Lifestyle (250)
Language
1. English (1,833)
2. Chinese (11,751)
3. French (2)
4. German (1)
5. Indonesian (3)
6. Italian (2)
7. Japanese (6)
8. Korean (9)
9. Pashto (1)
10. Russian (32)
11. Spanish (27)
12. Swahili (1)
13. Thai (21)

数据管理


从数据库技术应用出发，学习用SQL、数据建模与NoSQL存储解决组织的数据管理与决策支持问题。
- XuetangX
- Self-Paced
- Free Online Course
预防医学


以三级预防为框架，学习环境、职业、营养及传染病和慢性病防制，服务社区与临床健康。
- XuetangX
- Self-Paced
- Free Online Course
电磁场


以矢量分析和亥姆霍兹定理为主线，系统学习静电场、恒定场、时变电磁场及平面电磁波。
- XuetangX
- Self-Paced
- Free Online Course
“四书”印地语品读


通过印地语译文精讲《论语》《孟子》《大学》《中庸》的核心思想，体悟儒家传统对个人、社会与世界的意义。
- XuetangX
- Self-Paced
- Free Online Course
桥梁风工程


聚焦大跨桥梁风致静力与动力问题，涵盖颤振、抖振、涡激振动及风洞试验分析方法。
- XuetangX
- Self-Paced
- Free Online Course
深度学习基础


从理论基础出发，讲解深度学习核心模型，并结合代码演示其原理与运行效果。
- XuetangX
- Self-Paced
- Free Online Course
数据库系统（上）：模型与语言


从关系模型与关系运算出发，系统学习 SQL、数据建模、数据库设计及嵌入式与动态 SQL。
- XuetangX
- Self-Paced
- Free Online Course
小波与科学


小波是最近三十年才迅速发展并日趋完善的崭新科学思想和研究方法，适合哲学、自然科学、工程科学、信息科学、视觉科学、生命科学和医学、经济学和管理学等学科领域学生和研究人员学习参考。
- XuetangX
- Self-Paced
- Free Online Course
人工智能方法与技术


系统学习集成学习、因果推理、Transformer与图神经网络等人工智能方法，并分析自然语言处理、推荐系统和复杂网络传播应用。
- XuetangX
- Self-Paced
- Free Online Course
大数据算法


面向大数据场景，系统梳理亚线性、外存与并行算法的设计思想。
- XuetangX
- Self-Paced
- Free Online Course
数据库系统（中）：建模与设计


数据库设计的正确性对大型软件系统开发是至关重要的，数据建模是计算机学科和软件工程学科必备的一种能力，学好本课程对于减少软件开发的失误有很大帮助。
- XuetangX
- Self-Paced
- Free Online Course
数据库系统（下）：管理与技术


数据库管理系统(DBMS)是数据库系统的核心，本课程探讨DBMS本身的实现技术，即算法和系统性能相关的内容。学好本课程对今后从事大数据系统开发、数据库管理系统开发和系统软件开发有重要帮助。
- XuetangX
- Self-Paced
- Free Online Course
程序设计基础


以与具体语言无关的程序设计思维为核心，借助RAPTOR流程图仿真学习算法、结构化设计与排序查找。
- XuetangX
- Self-Paced
- Free Online Course
大学物理（力学）

哈尔滨工业大学物理教研室集体打造的《大学物理（力学）》课程，将用生动形象的语言、趣味横生的演示实验、多变的视角，向你们展现一个丰富多彩的物理世界，和你们一起感受自然和科学的无穷魅力。
- XuetangX
- Self-Paced
- Free Online Course
C语言程序设计精髓


以错误分析和“为什么”为主线，循序渐进学习 C 语言、指针、内存与数据结构，编写规模递增的程序。
- 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
Udacity
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.