Class Central

Rankings
Collections

Subjects

View all

Computer Science
Health & Medicine
Mathematics
Business
Humanities
Engineering
Science
Education & Teaching
Social Sciences
Art & Design
Artificial Intelligence
Data Science
Programming
Personal Development
Information Security (InfoSec)

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

Collections

Computer Science

Algorithms and Data Structures
Internet of Things
Information Technology
Computer Networking
Machine Learning
DevOps
Deep Learning
Cryptography
Quantum Computing
Human-Computer Interaction (HCI)
Distributed Systems
Blockchain Development
Operating Systems
Computer Graphics
Automata Theory
Compilers
SCADA
Mainframe
Digital Image Processing
Computational Models
View all Computer Science

Health & Medicine

Nutrition & Wellness
Disease & Disorders
Public Health
Health Care
Nursing
Anatomy
Continuing Medical Education (CME)
Blood Pressure
Wellbeing
Women's Health
Occupational Therapy
Hygiene
Healthcare Innovation
Music Therapy
Holistic Health
Ayurveda
Massage Therapy
Swallowing Disorders
Pharmaceutics
View all Health & Medicine

Mathematics

Statistics & Probability
Foundations of Mathematics
Calculus
Discrete Mathematics
Trigonometry
Geometry
Algebra
Precalculus
Number Theory
Combinatorics
Mathematical logic
Linear Programming
Graph Theory
Set Theory
Group Theory
Differential Equations
Polynomials
Integration
Mathematical Analysis
Mathematical Thinking
View all Mathematics

Business

Management & Leadership
Finance
Entrepreneurship
Marketing
Strategic Management
Industry Specific
Business Intelligence
Accounting
Human Resources
Project Management
Sales
Design Thinking
Business Software
Customer Service
Nonprofit Management
Innovation
Operations Management
Corporate Governance
Business Proposal
Business Models
View all Business

Humanities

History
Literature
Language Learning
Grammar & Writing
Philosophy
Religion
ESL
Culture
Sports
Journalism
Ethics
Linguistics
Food
Library Science
Reading
Crisis Management
Games
Emergency Management
Performing Arts
Religious Studies
View all Humanities

Engineering

Electrical Engineering
Mechanical Engineering
Civil Engineering
Robotics
Nanotechnology
GIS
Textiles
Manufacturing
BIM
CAD
Chemical Engineering
Energy Systems
Aerospace Engineering
Finite Element Analysis
GD&T (Geometric Dimensioning and Tolerancing)
Geotechnical Engineering
Reliability Engineering
Petroleum Engineering
Control Theory
Environmental Engineering
View all Engineering

Science

Chemistry
Physics
Environmental Science
Astronomy
Biology
Agriculture
Materials Science
Earth Science
Applied Science
Forensic Science
Meteorology
Horology
Paleontology
Fire Science
Sensory Science
Ergonomics
Physical Sciences
Complex Systems
Scientific Method
Medicine
View all Science

Education & Teaching

K12
Higher Education
STEM
Teacher Professional Development
Course Development
Online Education
Pedagogy
Social-emotional Learning (SEL)
Instructional Design
Homeschooling
Special Education
Adult Education
Course Design
Online Learning
Educational Technology
Curriculum Development
Next Generation Science Standards
Student-Centered Learning
Student Engagement
Classroom Management
View all Education & Teaching

Social Sciences

Sociology
Economics
Psychology
Anthropology
Political Science
Law
Urban Planning
Human Rights
Sustainability
Governance
Archaeology
Social Work
Structural Equation Modeling
Cultural Studies
Community Engagement
Philanthropy
Behavioral Science
Media Studies
Global Development
Social Development
View all Social Sciences

Art & Design

Music
Digital Media
Visual Arts
Design & Creativity
Photography
Art Therapy
Art Composition
Character Design
Fashion Design
Inspiration
Golden Ratio
Pattern Design
Geometric Patterns
Copic Markers
Jewelry Design
Animal Illustration
Anime Drawing
Street Art
Observational Drawing
Greeting Cards
View all Art & Design

Artificial Intelligence

Computer Vision
Natural Language Processing (NLP)
Neural Networks
Autonomous Vehicles
Chatbot
IBM Watson
Generative AI
Intelligent Systems
Genetic Algorithms
Intelligence
Heuristics
Ontology
Collective Intelligence
Autonomous Agents
Constraint Programming
AI Ethics
Semantics
Computational Linguistics
Computational Creativity
Evolutionary Algorithms
View all Artificial Intelligence

Data Science

Bioinformatics
Big Data
Data Mining
Data Analysis
Data Visualization
Jupyter Notebooks
Process Mining
Stata
Text Mining
Social Network Analysis
Computational Analysis
Data Collection
Information Retrieval
Data Processing
Data Wrangling
Data Extraction
Data Manipulation
Network Analysis
Data Preparation
Data Analytics
View all Data Science

Programming

Mobile Development
Web Development
Databases
Game Development
Programming Languages
Software Development
Cloud Computing
Domain-Specific Languages (DSL)
Hardware Description Languages (HDL)
Aspect-oriented programming
Object-oriented programming
Visual Programming
Competitive Programming
Database Programming
Generic Programming
Programming Language Development
Leetcode
GNU Toolchain
Windsurf
Vibe Coding
View all Programming

Personal Development

Communication Skills
Career Development
Self Improvement
Presentation Skills
Resilience
Self-Control
Creativity
Gratitude
Growth Mindset
Self-Assessment
Survival Skills
Sleep Improvement
Career Planning
Empowerment
Generosity
Courage
Humility
Social Skills
Dog Training
Passion
View all Personal Development

Information Security (InfoSec)

Cybersecurity
Network Security
Ethical Hacking
Digital Forensics
Reverse Engineering
Penetration Testing
Malware Analysis
DevSecOps
OSINT (Open Source Intelligence)
Threat Intelligence
Red Team
Blue Team
View all Information Security (InfoSec)

Inside the Coursera-Udemy Deal: Three Bids, Two Years and a Rival Suitor

Buried in Coursera’s 300-page prospectus: two failed merger attempts, competing bidders, a rogue shareholder, and a combined market cap that shrank from $3.8 billion to $1.7 billion.

Dhawal Shah Apr 07, 2026

Latest

Hundreds of Hours of Free Conference Recordings on Online Learning
8 Best Copywriting Courses for 2026 (Free & Paid)
6 Best Marketing Analytics Courses for 2026: Optimize Your Campaigns
8 Best Business Analytics Courses in 2026: From Beginner to Business Analyst
8 Best E-Commerce Courses in 2026: Learn Shopify, Amazon Selling, & more

Write for The Report

Visit The Report

600 Free Google Certifications
Trending

Most common

Popular subjects

Algorithms and Data Structures
658 courses
Information Technology
6,050 courses
Computer Networking
2,358 courses

Popular courses

Improving Communication Skills
University of Pennsylvania
Teaching Young Learners Online
British Council
Probability - The Science of Uncertainty and Data
Massachusetts Institute of Technology

Organize and share your learning with Class Central Lists.

View our Lists Showcase

Sign up

Log in or Sign up

Log in
Sign up

Subjects
Social Sciences
Political Science
International Relations
NATO

Free Online

NATO Courses and Certifications

Explore NATO's evolving role in global security, nuclear policy, and contemporary geopolitical challenges including the Ukraine conflict. Access expert analysis and diplomatic perspectives through free content on YouTube, plus structured courses on Coursera covering international relations and 21st-century defense strategies.

52 courses

Related Subjects

International Relations Courses
Military Strategy Courses
Geopolitics Courses
Diplomacy Courses
Cybersecurity Courses
Political Science Courses
International Law Courses
Crisis Management Courses

Showing 52 courses

Sort by Relevancy

Filter by

Filters

1. With certificate (3)
2. Free course (50)
3. University course only (3)
Level
1. Intermediate (26)
2. Advanced (21)
3. Beginner (6)
Duration
1. < 30 mins (6)
2. 30 - 60 mins (35)
3. 1 - 2 hours (8)
4. 2 - 5 hours (1)
5. 5 - 10 hours (3)
Language
1. English (49)
2. German (1)
3. Greek (1)
4. Romanian (1)
5. Turkish (1)

The Aspen Institute
From Pyongyang to Brussels - NATO's Challenges in Europe

Supreme Allied Commander Europe discusses challenges facing NATO and US European Command, comparing complexities of Korean Peninsula to current European security landscape.
- YouTube
- 59 minutes
- Self-Paced
- Free Video
World Economic Forum
Can Europe Defend Itself? - Strategic Autonomy vs Open Markets 2026

Explore Europe's defense vulnerabilities and strategic autonomy challenges with global leaders discussing security gaps, industrial weaknesses, and the trade-offs between competitiveness and resilience.
- YouTube
- 49 minutes
- Self-Paced
- Free Video
The Aspen Institute
Tanks But No Tanks - The Future of European Defense

Explore European defense strategies and NATO dynamics with foreign ministers and defense experts discussing military aid, security challenges, and the evolving geopolitical landscape.
- YouTube
- 44 minutes
- Self-Paced
- Free Video
DEFCONConference
Living Next Door to Russia - A History of Cyber Relations and Future Implications

Explore Finland's complex relationship with Russia through cybersecurity expert Mikko Hypponen's firsthand insights on Russian cyber programs, hacker groups, and geopolitical developments following Finland's NATO membership.
- YouTube
- 48 minutes
- Self-Paced
- Free Video
World Economic Forum
US Foreign Policy - The Outlook from Washington

Panel discussion on US foreign policy challenges in 2021, featuring bipartisan Congressional leaders addressing global issues, geopolitical tensions, and America's international standing post-COVID-19.
- YouTube
- 1 hour 1 minute
- Self-Paced
- Conference Talk
The Aspen Institute
A Resurgent Russia - Implications for European Security
1 rating

Explore Russia's resurgence and its impact on European security with insights from former government officials and experts on geopolitics, intelligence, and international relations.
- YouTube
- 1 hour 8 minutes
- Self-Paced
- Free Video
World Economic Forum
The Global Security Outlook

Explore global security challenges with world leaders, discussing hybrid threats, cross-border violence, inequality, and technology's impact on international security agendas.
- YouTube
- 40 minutes
- Self-Paced
- Conference Talk
The Aspen Institute
Europe in Crisis

Explore the impact of migration on European security, integration, and global implications with insights from diplomats and experts on addressing this complex crisis.
- YouTube
- 46 minutes
- Self-Paced
- Conference Talk
The Aspen Institute
The Russian Bear on the Prowl

Explore Putin's geopolitical strategies, NATO's challenges, and global security implications in this expert panel discussion on Russia's international provocations and power plays.
- YouTube
- 41 minutes
- Self-Paced
- Conference Talk
The Aspen Institute
The 21st Century Nuclear Arms Race - Challenges and Strategic Implications

Explore the modern nuclear arms landscape, strategic weapons, global challenges, and diplomatic efforts with experts discussing key concerns and potential solutions.
- YouTube
- 40 minutes
- Self-Paced
- Free Video
The Aspen Institute
Russian Aggression Toward Ukraine - Cyber Threats and Critical Infrastructure

Explore cyber threats to Ukraine's critical infrastructure, potential consequences, and global implications amidst Russian aggression. Gain insights on NATO's role and cybersecurity strategies.
- YouTube
- 59 minutes
- Self-Paced
- Free Video
The Aspen Institute
The Future of European Defense and Security

Experts discuss EU and NATO's response to Ukraine war, analyzing its impact on European security and future defense strategies.
- YouTube
- 34 minutes
- Self-Paced
- Free Video
The Aspen Institute
What's Next for Ukraine? - Transatlantic Perspectives on the War

Transatlantic experts discuss Ukraine's current situation, recent developments, and future prospects, offering diverse perspectives on the ongoing war and its global implications.
- YouTube
- 44 minutes
- Self-Paced
- Free Video
The Aspen Institute
UK Foreign Policy and Security Challenges - Fireside Chat with James Cleverly

Foreign Secretary Cleverly discusses UK-US cooperation, European security, Ukraine war, Russia, China competition, and global challenges in a wide-ranging analysis of foreign policy and security topics.
- YouTube
- 28 minutes
- Self-Paced
- Free Video
The Aspen Institute
Taking Our Fate into Our Own Hands - Europe's Response to America First

Exploring the future of NATO and transatlantic relations amid Trump's America First policy, featuring insights from diplomats and security experts on trade, defense, and global order.
- YouTube
- 59 minutes
- Self-Paced
- Free Video

Browse by subject

Computer Science
Psychology
Cybersecurity
Health
Law
Accounting
Web Development

Browse by provider

Coursera
Udacity
edX
Noble Desktop
Simplilearn
CodeSignal
Boot.dev

Browse by university

Harvard
MIT
Georgia Tech
University of Michigan
Purdue University
Duke University
IIT Madras

Browse by institution

Google
Microsoft
IBM
Amazon
Linux Foundation
British Council
Salesforce

Best Online Courses of All Time
Best Online Courses of the Year
Most Popular Courses of All Time
Most Popular Courses of the Year
100 Top FREE Coursera Courses of All Time
Best Courses Guides
Free Printable Study Calendar

The Report by Class Central RSS Feed

The "New Normal" that Wasn't
DDoS Attack on Class Central
2000+ Online Degrees in India
Harvard's CS50 Free Certificate Guide
How Open University Works

Free Certificates & Courses

450+ Free Google Certificates
10000+ Free Courses from Tech Giants
300+ Free Coursera Courses
Ivy League Online Courses
200+ Free Writing Online Courses

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.