Reddit List - Tracking the top 5000 subreddits
Free Twitter RSS Feed Generator - Convert Twitter lists, hashtags & searches into RSS feeds
Upvoted - A news publication by reddit
RSS API - Convert & subscribe to RSS, ATOM and JSON-Feeds via API ⚡️ Get webhooks whenever there is a new entry in a Feed.
Mailbrew - Automated email digests from Twitter, Reddit, YouTube & more
RSS3 - RSS with human curation