Blogtrottr - Track RSS feeds and send updates to your email inbox.
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
Newspipe - Newspipe is a web news aggregator and reader.
Mattermark Daily - A curated newsletter of blog posts from investors & founders
Mailbrew - Automated email digests from Twitter, Reddit, YouTube & more
Taco Digest - Customizable personal email newsletter created from your favorite sources.