Aeon Timeline - "The timeline tool for creative thinking. Capture, create and explore ideas."
Blogtrottr - Track RSS feeds and send updates to your email inbox.
Preceden - Preceden makes it easy to build simple, powerful timelines
Newspipe - Newspipe is a web news aggregator and reader.
Timeline - Timeline is a cross-platform application for displaying and navigating events on a timeline.
Mailbrew - Automated email digests from Twitter, Reddit, YouTube & more