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

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
[2026] 17% of Coursera Courses Have Peer Reviews: Here Are the Best
7 Best Online First Aid Courses and Sites for 2026: CPR, AED, and Emergency Response

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

Programming
27,720 courses
Cybersecurity
12,017 courses
Digital Marketing
1,449 courses

Popular courses

Sustainable Tourism: Society & Environmental Aspects
Wageningen University
Introducción a la inversión bursátil
Universitat Politècnica de València
Industrial Pharmacy-I
H.N.B Garhwal University (A Central University) Srinagar Garhwal

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Languages
Chinese

Free Online

Chinese Courses

13,923 courses

Showing 13,923 courses

Sort by Relevancy

Filter by

Filters

1. Free course (12,698)
2. With certificate (1,774)
3. Career certificates (10)
4. From universities (7,314)
Level
1. Beginner (6,827)
2. Intermediate (5,710)
3. Advanced (1,384)
Duration
1. < 30 mins (58)
2. 30 - 60 mins (138)
3. 1 - 2 hours (675)
4. 2 - 5 hours (348)
5. 5 - 10 hours (160)
6. 10+ hours (369)
Subject
1. STEM (3,618)
2. People & Society (2,850)
3. Technology (2,527)
4. Business (1,879)
5. Health & Wellness (1,615)
6. Creative (1,010)
7. Personal Growth & Lifestyle (217)

汽车理论


汽车无所不在，绝大多数人都坐过汽车，很多人还会开车，但你对汽车的性能有多少了解呢？本门课程将引导你对汽车从感性认识上升到理性认识。
- XuetangX
- Self-Paced
- Free Online Course
工程伦理


《工程伦理》主要讲授工程中的职业道德问题，培养同学的工程伦理意识和分析论证能力。
- XuetangX
- Self-Paced
- Free Online Course
工程制图


工程制图课程不仅仅教会你看图和画图，更是你认识工程、走进工程的桥梁！
- XuetangX
- Self-Paced
- Free Online Course
模拟电子技术基础(基础部分)

电子技术的应用“无所不在”。不管哪个领域、哪个行业，为实现现代化、自动化、信息化，就必须配以电子系统。“电子技术基础”课程教授实现电子系统必备的基础知识。
- XuetangX
- Self-Paced
- Free Online Course
数字电子技术基础


电子技术的应用“无所不在”。不管哪个领域、哪个行业，为实现现代化、自动化、信息化，就必须配以电子系统。“电子技术基础”课程教授实现电子系统必备的基础知识。
- XuetangX
- Self-Paced
- Free Online Course
住宅精细化设计


住宅是生活的容器。如何通过精细化的设计与装修，打造出舒适、实用的居住空间？本门课程中，我们将带你一起领悟“住的学问”。
- XuetangX
- Self-Paced
- Free Online Course
汽车发动机原理


本课程是车辆工程和动力机械及工程专业学生的核心专业课程，重点围绕汽油机和柴油机两种主流汽车动力的工作原理进行介绍。
- XuetangX
- Self-Paced
- Free Online Course
模拟电子技术基础(应用部分)

电子技术的应用“无所不在”。不管哪个领域、哪个行业，为实现现代化、自动化、信息化，就必须配以电子系统。“电子技术基础”课程教授实现电子系统必备的基础知识。
- XuetangX
- Self-Paced
- Free Online Course
适老居住空间与环境设计


家家有老人，人人都会老。如何积极应对我国人口迅速老龄化的趋势，营造适合我国国情的老年居住空间和环境？本门课程将带你一起思考和寻找答案。
- XuetangX
- Self-Paced
- Free Online Course
有限元分析及应用


本课程从数学力学原理、有限元建模及计算机实现等方面，完整阐述针对复杂工程问题分析的有限元方法，使你清晰掌握这一处理复杂工程问题及进行科学研究的得力工具。
- XuetangX
- Self-Paced
- Free Online Course
大数据与城市规划


运用城市大数据获取、分析与可视化技术，探索城市系统及规划设计中的数据驱动方法。
- XuetangX
- Self-Paced
- Free Online Course
汽车底盘构造


系统学习汽车底盘四大系统及典型部件的结构、功用与工作原理，兼顾新能源汽车底盘技术。
- XuetangX
- Self-Paced
- Free Online Course
燃烧理论


燃烧、火焰、热化学、传质、化学动力学、化学动力学与热力学结合、燃烧反应器、反应流的简化守恒方程、层流预混火焰、层流非预混火焰、液滴蒸发与燃烧、固体燃料燃烧、湍流燃烧。
- XuetangX
- Self-Paced
- Free Online Course
材料学概论


《材料学概论》以高新技术应用为重点，采用图文并茂的方式，介绍各类材料。突出成分，组织结构，合成加工，性能功能价格比之间的关系。
- XuetangX
- Self-Paced
- Free Online Course
数字集成电路分析与设计


集成电路(IC)早已是无处不在，而其中绝大部分是数字IC。这门课让你学习数字IC的晶体管级基本单元、模块和简单系统的分析方法，具备初步的数字IC设计能力。
- XuetangX
- Self-Paced
- Free Online Course

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 Class Central

Class Central aggregates courses from many providers to help you find the best courses on almost any subject, wherever they exist.

Facebook
Twitter
LinkedIn
YouTube
Bluesky

Class Central © 2011-2026 Privacy Policy

About Us
Join Us
Write for Us
Help Center
Contact Us

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.