follow.it - follow.it gets publishers more followers & recurring traffic, and provides a better reading experience for followers
Free Twitter RSS Feed Generator - Convert Twitter lists, hashtags & searches into RSS feeds
Feedio - Feedio helps bloggers manage and grow their email and RSS subscribers.
RSS API - Convert & subscribe to RSS, ATOM and JSON-Feeds via API ⚡️ Get webhooks whenever there is a new entry in a Feed.
FeedPress - Custom hostname. You can customize FeedPress to use your own domain name to retain your website's brand. All you need to do to get started is simply register your domain name via your hostname management page.
Feedbutler - Subscribe to your RSS feeds directly via email!