Hacker News - Sticky Comments is a Chrome extension developed by FallenMax. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools program. The extension aims to improve readability on Hacker News by making parent comments in a thread sticky as you scroll.

With this extension installed, as you navigate through a comment thread on Hacker News, the parent comments will remain visible, eliminating the need to constantly scroll back and forth to follow complex discussions. This feature greatly enhances the user experience by allowing for easier navigation and understanding of the conversation flow.

Hacker News - Sticky Comments is a free extension, making it accessible to all users without any cost. It is a valuable tool for those who frequent Hacker News and want to enhance their reading experience by effortlessly keeping track of parent comments while exploring lengthy threads.