Taco Digest - Customizable personal email newsletter created from your favorite sources.
Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Sponsor This Newsletter - 100+ newsletters ready to promote your product
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
Startup Curated - The best of the week for founders, in one minimal email
Hacker News Front Page Explorer - A database of top ranking Hacker News front page posts