HackerWeb - A simple and readable Hacker News app
Boreal - A Hacker News iOS app
HNBuddy - An elegant iOS client for Hacker News ✨
Hacker News-cli - Browse Hacker News from your Terminal
Slack-HN - Read Hacker News right from Slack
Hacker News Stack - Focus on the really fresh and unread news in Hacker News.