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: Pi-hole is an open source DNS sinkhole and ad blocker that works at the network level. It allows users to block ads and trackers on all devices on their home network by redirecting traffic from ad-serving domains to a black hole.
Type: software
Pricing: Open Source