BackerTracker - Track crowdfunding projects and see how much they'll raise
Hacker Dig - Digging ideas from Hacker News
OutboundIQ - Free exportable list of the best sales saas companies.
Slack-HN - Read Hacker News right from Slack
Indie Channels - Distribution channels and marketplaces for makers
Hacker News Stack - Focus on the really fresh and unread news in Hacker News.