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

[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
7 Best Node.js Courses in 2026: Build APIs in JavaScript
12 Best Data Analysis Courses for 2026: From Data to Insights

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

Computer Science
5,355 courses
Artificial Intelligence
17,082 courses
Data Science
11,026 courses

Popular courses

Intelligenza Artificiale
University of Urbino
The Bible's Prehistory, Purpose, and Political Future
Emory University
Education for All: Disability, Diversity and Inclusion
University of Cape Town

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Universities
Shandong University

Free Online

Shandong University Courses

187 courses

Showing 187 courses

Sort by Relevancy

Filter by

Filters

1. Free course (187)
2. From universities (187)
Level
1. Beginner (46)
2. Intermediate (86)
3. Advanced (55)
Duration
Subject
1. Health & Wellness (73)
2. STEM (53)
3. People & Society (24)
4. Business (17)
5. Technology (13)
6. Creative (4)
Language
1. English (25)
2. Chinese (162)

护理研究


以护理研究全过程为主线，涵盖选题、伦理与诚信、量性和质性设计、抽样测量、质量控制及科研论文写作。
- XuetangX
- Self-Paced
- Free Online Course
免疫基因治疗


聚焦免疫治疗与基因转移技术，涵盖抗体药物、肿瘤疫苗、CAR-T和NK细胞治疗。
- XuetangX
- Self-Paced
- Free Online Course
国际贸易学


无论你从事什么工作，你目前或将来所从事的任何工作都会与国际接轨，因此也都需要了解国际经贸的一些基本知识，才能把你的工作和事业干得更好。
- XuetangX
- Self-Paced
- Free Online Course
经济学原理


将微观与宏观经济学融为一体，介绍市场机制、经济增长、经济波动及政策分析的基础框架。
- XuetangX
- Self-Paced
- Free Online Course
非关系数据库技术


在大数据时代，面对海量数据，你是否感到不知所措？你是否困惑于如何高效地组织、存储、检索、更新数据？非关系数据库系统是管理大数据的利器。
- XuetangX
- Self-Paced
- Free Online Course
浅谈专业、兴趣、职业与生涯的关系


探讨专业、兴趣、职业与生涯之间的关系，以及四者对个人生涯发展的意义。
- XuetangX
- Self-Paced
- Free Online Course
城市管理学


《城市管理学》是公共管理专业硕士（MPA）学科基础课程，是一门系统阐述城市管理学内容及其活动规律的课程，涉及管理客体、主体及其运行规律等。
- XuetangX
- Self-Paced
- Free Online Course
Neuroanatomy

A medical neuroanatomy course tracing the brain, spinal cord, cranial nerves, pathways, meninges, and blood vessels from structure to clinical cases.
- XuetangX
- Self-Paced
- Free Online Course
人体解剖与系统生理工程学


融合人体系统生理学与医疗工程实践，涵盖ECMO、无创呼吸支持和医用传感器设计。
- XuetangX
- Self-Paced
- Free Online Course
区块链原理与技术


从比特币、以太坊到Fabric，解析区块链架构、交易验证、虚拟机与智能合约。
- XuetangX
- Self-Paced
- Free Online Course
过程控制系统


围绕工业过程的建模、PID整定与串级、前馈等控制系统设计，结合典型工程实例讨论系统投运。
- XuetangX
- Self-Paced
- Free Online Course
医院感染学


做好医院感染防控，保障病人就医安全，确保医护工作安全。
- XuetangX
- Self-Paced
- Free Online Course
医学统计学方法


医学统计学是医学科研必修课程，通过课程学习，构建医学统计学知识框架，夯实统计学原理和方法，具备解决医学科研设计和分析的知识、能力和素养。
- XuetangX
- Self-Paced
- Free Online Course
诊断学


诊断学是重要的医学桥梁课程，包括检体诊断学和实验诊断学两部分。来自山东大学的教授和临床医师将带领大家学习《诊断学》，了解疾病、提高疾病的诊断能力。
- XuetangX
- Self-Paced
- Free Online Course
临床流行病学


临床流行病学可为临床研究生开展临床科研提供方法学指导，是其发现问题、解决问题的重要助手。
- 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.