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

Providers
Independent

Free Online

Independent Courses

1,926 courses

Showing 1,926 courses

Sort by Relevancy

Filter by

Filters

1. Free course (1,830)
2. With certificate (974)
3. Career certificates (1)
4. From universities (1,239)
Level
1. Beginner (893)
2. Intermediate (617)
3. Advanced (413)
Duration
1. 30 - 60 mins (2)
2. 1 - 2 hours (67)
3. 2 - 5 hours (62)
4. 5 - 10 hours (59)
5. 10+ hours (278)
Subject
1. Health & Wellness (797)
2. Technology (437)
3. People & Society (343)
4. Business (165)
5. STEM (97)
6. Creative (37)
Language
1. English (1,777)
2. Arabic (2)
3. Czech (10)
4. French (26)
5. German (8)
6. Italian (8)
7. Māori (1)
8. Nepali (1)
9. Portuguese (24)
10. Spanish (69)

Project ECHO Diabetes in the Time of COVID-19: Diabetes Disparities in the Time of COVID-19 (Recorded Webinar)

Helps primary care providers manage complex type 1 and type 2 diabetes for underserved, high-risk patients during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: DPP-4 Inhibitor, GLP-1 Receptor Agonist, & SGLT Inhibitor Therapies (Recorded Webinar)

Recorded CME webinar on using DPP-4 inhibitors, GLP-1 receptor agonists, and SGLT inhibitors to manage complex diabetes during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: Tackling Therapeutic Inertia: American Diabetes Association Standard of Care Updates (Recorded Webinar)

Updates to American Diabetes Association standards help primary care providers manage complex type 1 and type 2 diabetes during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Peer Faculty Mentoring

Build evidence-informed skills for mentoring junior faculty peers, including assessing readiness and strengthening mentoring relationships.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: Insulin Dosing & Therapeutic Inertia in the Time of COVID-19 (Recorded Webinar)

Manage complex insulin treatment and therapeutic inertia for patients with type 1 and type 2 diabetes in primary care during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Normal Shoulder Radiography Take 1

Review the four basic projections used in normal shoulder radiography.
- Independent
- Self-Paced
- Free Online Course
Bone Tumor Case 2

Review a systematic radiologic approach to evaluating bone tumors.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: Identifying High-Risk Diabetes Patients for COVID-19 Triage (Recorded Webinar)

Guidance for primary care providers on identifying high-risk patients with type 1 or type 2 diabetes for COVID-19 triage and complex diabetes management.
- Independent
- Self-Paced
- Free Online Course
Medicine, Media and Misinformation Series (Part 2) June 30, 2020 (Recorded Webinar)

Strategies for scientists and healthcare providers to counter COVID-19 health misinformation, build trust, and work with journalists on accurate public messaging.
- Independent
- Self-Paced
- Free Online Course
Shoulder Radiography Fracture Dislocation

Focuses on recognizing fracture-dislocation of the humeral head on shoulder radiographs.
- Independent
- Self-Paced
- Free Online Course
Medicine, Media and Misinformation Series (Part 1) June 23, 2020 (Recorded Webinar)

Communication strategies for scientists and healthcare providers to counter COVID-19 misinformation, build trust, and work effectively with journalists.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: COVID-19 & Sick Day Management for People with Diabetes (Recorded Webinar)

A recorded webinar on managing sick-day diabetes care for high-risk patients with type 1 or type 2 diabetes during COVID-19 in primary care.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: Platforms to Support Remote Diabetes Monitoring in your Practice in the Time of COVID-19 (Recorded Webinar)

A recorded webinar on using remote-monitoring platforms to help primary care providers manage complex diabetes care during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Project ECHO Diabetes in the Time of COVID-19: Continuous Glucose Monitoring (CGM) & Beyond A1c Targets in the Time of COVID-19 (Recorded Webinar)

A recorded webinar on continuous glucose monitoring and diabetes care beyond A1c targets for high-risk patients during COVID-19.
- Independent
- Self-Paced
- Free Online Course
Introduction to Cartilage Tumors

A radiology resident lecture introducing the basics of cartilage-related bone tumors.
- Independent
- 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.