Allows users to register their `Tiny Tiny RSS`__ instance at `subtome.com`__.
Once done, they can subscribe to feeds with only two clicks.
+Screenshots are available on the `introductory blog post`__.
+
__ https://tt-rss.org/
__ https://www.subtome.com/
+__ http://cweiske.de/tagebuch/tt-rss-subtome.htm
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