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is an RSS/Atom aggregator with a difference: It allows you to keep track of your feeds through e-mail - you create an OPML file listing your feeds and Newspipe will collect them, convert them to e-mail messages and send them to your mailbox.Obviously this would be a great way to read RSS/Atom feeds on your mobile device. For Linux, Mac OS X, and Windows; requires python 2.3 or above and access to an SMTP server.
This means you can read, organize and archive news feeds using your current mail client (or even webmail), without needing to use a separate program. Newspipe can send you news items as plaintext or HTML mail, both as single items or grouped in a digest.