Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Whatis - Manage & organize your team's knowledge straight from Slack
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
Slack-News - Read news from multiple sources within Slack by just typing
HNBuddy - An elegant iOS client for Hacker News ✨
Slack It - A bookmarklet to share links in Slack with one click