NewReleases - Stop wasting your time checking manually if some piece of software is updated. Get Email, Slack, Telegram, Discord, Hangouts Chat, Microsoft Teams, Mattermost, Rocket.Chat, or Webhooks notifications.
RSSPBRRY - rsspbrry - RSSPBRRY is a fresh new RSS feed reader.
ReleaseBell - Stay on top of releases for repos you star on GitHub
Stringer - A self-hosted, anti-social RSS reader.
Violinist.io - Automatically update your composer (php) dependencies
Inoreader - Dive into your favorite content. The content reader for power users who want to save time.