Free Free Certificate Online Courses & MOOCs

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.

Aug 17th 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.

Aug 17th 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.

Aug 17th 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.

Aug 17th 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.

Aug 17th 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.

Aug 17th 2026

5-12 Weeks

Nutrition Equine Horses

Coursera

University of Minnesota

Matrix Methods (Coursera)

Sci: Mathematics

Dive into the fundamental world of Mathematical Matrix Methods with our expert-led online course. Whether you're a student, researcher, or professional looking to enhance your skills in data analysis and machine learning, this course offers a structured pathway to understanding key concepts such as matrix operations, solving linear equations, orthogonality principles, least squares approximations, and the critical Singular Value Decomposition technique. Learn how these methods are applied to real-world problems for dimensionality reduction, noise filtering, and more.

Aug 17th 2026

5-12 Weeks

Math Machine Learning Matrix

Coursera

University of California, Santa Cruz

Feminism and Social Justice (Coursera)

Humanities History

Embark on a journey through pivotal moments in feminist history with 'Feminism and Social Justice.' This course, inspired by Professor Bettina Aptheker's renowned UC Santa Cruz lectures, offers an expansive view of feminism and its role in driving social change. From the 1951 Empire Zinc strike to the #metoo Movement, learn how these events have influenced activism and continue to resonate today.

Aug 17th 2026

4 Weeks

Feminism Social Justice Coursera Plus

Coursera

University of California, Davis

Computational Social Science Methods (Coursera)

Statistics & Data Analysis Data Science

Dive into the fascinating realm of Computational Social Science with this introductory course. Explore how computational techniques are revolutionizing social science research, enabling us to understand complex human behaviors and societal trends like never before. This course will equip you with essential skills in data analysis and modeling, preparing you for a career at the intersection of technology and social sciences.

Aug 17th 2026

4 Weeks

CSS Social Science Social Networks