Free Paid Certificate Online Courses & MOOCs

Coursera

Erasmus University Rotterdam

Studying Cities: Social Science Methods for Urban Research (Coursera)

Education Social Sciences

Dive into the world of urban studies with 'Studying Cities: Social Science Methods for Urban Research'. This course, offered by the Institute for Housing and Urban Development Studies at Erasmus University Rotterdam, provides a structured approach to understanding and researching cities. Learn essential social science methods applicable to urban contexts, enabling you to conduct impactful research.

Oct 12th 2026

5-12 Weeks

Research Methods Social Sciences Research

Coursera

University of Alberta

Bugs 101: Insect-Human Interactions (Coursera)

Health & Society Science

Dive into the intriguing realm of arthropods with 'Bugs 101: Insect-Human Interactions' – a comprehensive online course that unravels the significant roles insects play in our lives. From pollination to pest control and disease transmission, explore how these tiny creatures have a big impact on human society.

Oct 12th 2026

13-24 Weeks

Science Biology Ecology

Coursera

The University of Sydney

Life, Health and Radiation (Coursera)

Health & Society Science

Explore the unseen forces that shape our existence with 'Life, Health and Radiation'. This course unravels the mysteries of radiation, from its role in medical diagnostics to its natural presence in our environment. Understand both the dangers and the life-saving benefits of this fundamental aspect of science.

Oct 12th 2026

5-12 Weeks

Health Radiation Coursera Plus

Coursera

University of Colorado System

DDoS Attacks and Defenses (Coursera)

Security & Networking

Discover how to protect your organization from Distributed Denial of Service (DDoS) attacks with this in-depth online course. From understanding the history and analyzing new threats like Mirai IoT Malware to implementing defense strategies, you'll gain a thorough knowledge of DDoS mitigation techniques. Explore A2D2, an innovative autonomous anti-DDoS network solution designed for small to medium-sized organizations.

Oct 12th 2026

4 Weeks

Security Network Security Advanced System Security Design Specialization

Coursera

University at Buffalo,The State University of New York

Blockchain Basics (Coursera)

CS: Software Engineering Computer Science

Dive into the world of blockchain with our introductory course designed to equip you with a solid understanding of essential concepts. Explore Bitcoin and Ethereum protocols, learn how to create nodes, accounts, mine, transact, transfer Ethers, and check balances. Perfect for beginners looking to get started in this transformative technology.

Oct 12th 2026

4 Weeks

Cryptography Bitcoin Blockchain

Coursera

University at Buffalo,The State University of New York

Smart Contracts (Coursera)

CS: Software Engineering Computer Science

Embark on an enlightening journey into the world of Smart Contracts with this specialized course from Coursera's Blockchain specialization. Master the art of designing, coding, deploying, and executing these critical blockchain elements to unlock new levels of efficiency, transparency, and autonomy for your applications.

Oct 12th 2026

4 Weeks

Cryptocurrency Blockchain Blockchain Specialization

Coursera

University at Buffalo,The State University of New York

Decentralized Applications (Dapps) (Coursera)

CS: Software Engineering Computer Science

Embark on a journey to create your own decentralized applications (Dapps) with this advanced course. Designed for those who want to harness the power of blockchain technology, you'll learn how to build secure, transparent, and accessible applications that leverage smart contracts and more. Perfect for tech enthusiasts, developers, and anyone interested in the future of digital transactions.

Oct 12th 2026

4 Weeks

Blockchain Blockchain Specialization Smart Contract

Coursera

University at Buffalo,The State University of New York

Blockchain Platforms (Coursera)

CS: Software Engineering Computer Science

Dive into the fourth course of Coursera's Blockchain specialization to gain a deep understanding of the broader blockchain ecosystem. Discover other blockchain platforms, explore two decentralized application use cases, and learn how to address critical issues such as privacy and scalability in this advanced educational journey.

Oct 12th 2026

4 Weeks

Microsoft Azure Blockchain Hyperledger

Coursera

University of California, Davis

Equine Welfare and Management (Coursera)

Sci: Biology & Life Sciences Veterinary

Dive into the world of equine care with our specialized online course on Equine Welfare and Management. Developed by experts at UC Davis, this course will equip you with a deep understanding of 'The Five Freedoms' and how to apply them in daily horsekeeping practices. From physiology and behavior to nutrition and disease management, become an informed and compassionate caretaker.

Oct 12th 2026

5-12 Weeks

Nutrition Equine Horses