About

Tiny Tiny RSS is an open source web-based news feed (RSS/Atom) reader and aggregator, designed to allow you to read news from any location, while feeling as close to a real desktop application as possible.

Features

Server-side AJAX-powered application, user only needs a web browser.
Supports
feed aggregation / syndication,
keyboard shortcuts,
OPML import/export,
multiple ways to share stuff: via RSS feeds, using plugins to various social sites, sharing by URL, etc,
sharing arbitrary content through tt-rss,
mobile devices,
internationalization,
various plugins and themes,
detecting and filtering duplicate articles,
podcasts,
flexible article filtering,
JSON-based API,
and much more…
Android client
Free software, licensed under GNU GPLv3

Screenshots: