Free Online Hashing Courses & MOOCs

Coursera

Illinois Tech

Relational Database Implementation and Applications (Coursera)

Statistics & Data Analysis Data Science

Discover the power of relational databases with this expert-led course. Designed for beginners and professionals alike, you'll learn how to effectively implement, manage, and utilize databases in practical applications. Whether your goal is to become a skilled database administrator or enhance your software development capabilities, this course provides a robust foundation in relational database management.

Jul 27th 2026

5-12 Weeks

SQL Transactions Hashing

Coursera

Stanford University

Graph Search, Shortest Paths, and Data Structures (Coursera)

CS: Theory

Dive into the world of advanced data structures and graph algorithms with our Graph Search, Shortest Paths, and Data Structures course. This specialized program is designed for those looking to deepen their understanding of essential concepts like heaps, balanced search trees, hash tables, bloom filters, and more. Explore practical applications in connectivity and shortest path analysis, and discover how these principles can be applied to solve complex problems across various fields.

Jul 20th 2026

4 Weeks

Algorithms Data Structures Computer Science

Coursera

INSEAD

Introdução às Tecnologias Blockchain (Coursera)

Business

Este curso de introdução à tecnologia blockchain oferece uma compreensão fundamental das inovações que estão revolucionando indústrias globais. Exploraremos as falhas da internet tradicional e como a blockchain supera esses desafios, proporcionando segurança, transparência e eficiência sem precedentes.

Jul 20th 2026

5-12 Weeks

Business Cryptography Mining

Coursera

INSEAD

Introduction to Blockchain Technologies (Coursera)

Business

Dive into the world of blockchain technologies with this foundational online course. Explore how blockchain is transforming traditional internet-based business models and learn the fundamentals that make it such an exciting field to be part of. Perfect for beginners looking to understand the basics and potential applications of blockchain.

Jul 15th 2026

5-12 Weeks

Business Cryptography Mining

Coursera

INSEAD

Introduction to Blockchain for Financial Services (Coursera)

Security & Networking

Dive into the revolutionary world of blockchain technology tailored specifically for financial services professionals. This introductory course will equip you with a solid understanding of how blockchain works, its potential to revolutionize business and economic activities, and key concepts like mining, hashing, and public key cryptography.

Jul 13th 2026

5-12 Weeks

Cryptography Databases Mining

Coursera

Infosec

Digital Forensics Concepts (Coursera)

Security & Networking

Dive into the world of Digital Forensics Concepts with this in-depth online course. Gain expertise in identifying, collecting, preserving, and analyzing digital evidence while understanding legal considerations essential for any professional in the field. Explore scientific principles, practical techniques like on-scene triaging, keyword lists, grep, file hashing, and learn how to effectively write reports.

Jul 13th 2026

5-12 Weeks

Reporting Investigation Forensics

Coursera

HPE Aruba Networking

Aruba Network Security Basics (Coursera)

Security & Networking

Dive into 'Aruba Network Security Basics' and gain a solid understanding of how to protect your network from various cyber threats. This course will guide you through the essentials of securing your devices and networks, covering topics like encryption, malware, and defensive strategies that are crucial for maintaining secure access to your digital resources.

Jan 6th 2025

2 Weeks

Cryptography Malware Network Security

Stepik

University of California, San Diego

Data Structures (Stepik)

CS: Theory

Dive into the world of Data Structures with our interactive textbook designed for Computer Science students. Explore various data structures including arrays, linked lists, stacks, queues, trees, hash tables, heaps, and graphs to understand their applications and improve your programming abilities.

Self Paced

Self-Paced

Data Structures Computer Science Graphs