Free Online Networks Courses & MOOCs

Coursera

University of Colorado System

Peer-to-Peer Protocols and Local Area Networks (Coursera)

Security & Networking

Dive into the world of networking with our Peer-to-Peer Protocols and Local Area Networks course. This course is designed for those interested in understanding the mechanics behind reliable data transfers across networks and the intricacies of medium access control protocols. You'll explore how peer-to-peer systems operate, analyze various MAC protocols, and gain insights into local area network configurations including wireless LANs.

Oct 12th 2026

5-12 Weeks

Networks LAN Protocols

Coursera

University of Colorado System

Packet Switching Networks and Algorithms (Coursera)

Security & Networking

Dive into the world of Packet Switching Networks with our expert-led course. Understand how these networks operate from both an external and internal perspective, mastering key concepts such as services for the transport layer, addressing, routing, and congestion control. Perfect for IT professionals and enthusiasts looking to deepen their knowledge in network algorithms.

Oct 12th 2026

5-12 Weeks

Algorithms Networks Computer Science

Coursera

University of Colorado System

TCP/IP and Advanced Topics (Coursera)

Security & Networking

This in-depth Coursera course provides a thorough understanding of TCP/IP protocols, essential for anyone working in networking or IT. Learn about IP addressing, TCP mechanisms, and delve into advanced concepts such as Multicast, Software-Defined Networking (SDN), and network security strategies to enhance your expertise in modern network communications.

Oct 12th 2026

5-12 Weeks

Security Networks TCP/IP

Coursera

University of Colorado System

Classical Cryptosystems and Core Concepts (Coursera)

Security & Networking

Discover the basics of cryptographic systems and their critical role in securing digital communications. This course offers a detailed exploration of classical cryptosystems and essential cryptography principles, providing you with a strong foundation to understand modern encryption techniques. Ideal for beginners and professionals alike, this course is designed to meet the growing demand for cybersecurity expertise.

Oct 12th 2026

3 Weeks

Cryptography Security Networks

Coursera

University of Colorado System

Asymmetric Cryptography and Key Management (Coursera)

Security & Networking

Dive into the world of secure digital communication with our course on Asymmetric Cryptography and Key Management. Learn about public-private keys, RSA encryption, and Diffie-Hellman key exchange to protect your data effectively.

Oct 12th 2026

4 Weeks

Cryptography Networks Computer Security

Coursera

University of Colorado System

Cryptography and Information Theory (Coursera)

Security & Networking

Dive into the intriguing world where cryptography meets information theory in this enlightening online course. Uncover the secrets behind secure communication, understand the science of data encryption, and explore how information is coded and transferred. This course offers a unique perspective on protecting information from unauthorized access and provides insights into entropy, attacker capabilities, and more.

Oct 12th 2026

4 Weeks

Cryptography Networks Information Theory

Coursera

Google

IT Security: Defense against the digital dark arts (Coursera)

Security & Networking

Discover essential IT security principles with 'IT Security: Defense against the digital dark arts'. This course equips you with knowledge on encryption, authentication, authorization, and network security solutions to protect your digital assets effectively. Dive into a multi-layered approach to cybersecurity and cultivate a culture of security within your organization.

Oct 12th 2026

5-12 Weeks

Security Networks Information Technology

Coursera

University of Colorado Boulder

Introduction to High-Performance and Parallel Computing (Coursera)

Security & Networking

Discover the essentials of high-performance and parallel computing in this introductory course designed for scientists, engineers, and anyone looking to enhance their software skills in parallel environments. From Linux basics and bash scripting to advanced topics like high throughput computing and code parallelization, this course is your gateway to unlocking powerful computational capabilities.

Oct 12th 2026

4 Weeks

Computing Networks Parallel Computing

FutureLearn

University of Groningen,University of Warsaw,Alexander von Humboldt Institute for Internet and Society,ACTiSS

Social Network Analysis: The Networks Connecting People (FutureLearn)

Health & Society Social Sciences

Explore the fascinating world of Social Network Analysis with our online course. Delve into the intricate patterns that govern social interactions and understand how influence, misinformation, and viral phenomena propagate within networks. Gain insights into group dynamics and learn to apply computational models to analyze these complex systems.

Self Paced

3 Weeks

Networks Social Sciences Social Networks