Description: HackerRank is an online platform that provides coding challenges and contests to help developers improve their programming skills. It offers practice problems across various languages and computer science domains like algorithms, machine learning, and security.
Type: software
Description: XCP-ng is an open-source hypervisor platform based on Xen. It is a community-driven fork of Citrix XenServer aimed at providing a free, fully-featured virtualization solution.
Type: software
Pricing: Open Source