- NetVibes
- NewsBlur
- Feedly
- Feed Show
- News Alloy
- FeedDemon (desktop app)
- Tiny Tiny RSS (self host PHP app)
- selfoss (self host PHP app)
- Liferea (Linux desktop)
- newsbeuter (Terminal-based. See installation notes)
- Akregator (KDE)
- Brief (Firefox plugin)
- rss2email (email)
- Tiny Tiny RSS (server)
- Gnus RSS (Emacs)
- Thunderbird (desktop)
- NewsBlur (web, iOS, Android)
- Feedly (web, iOS, Android)
- Sage (Firefox plugin)
- Opera (web)
- RSSOwl (multiplatform desktop)
- rawdog
- Canto (terminal)
- Raggle (terminal)
- Snownews (terminal)
- QuiteRSS (multiplatform desktop)
Ref:
http://lifehacker.com/5990456/google-reader-is-getting-shut-down-here-are-the-best-alternatives
http://www.geekadda.com/top-10-alternatives-to-google-reader/
http://www.johndcook.com/blog/2013/03/14/rss-readers-on-linux/
Further reading:
http://www.replacereader.com/
http://ginicharts.com/google-reader-alternatives
https://news.ycombinator.com/item?id=5373538
http://blog.superfeedr.com/state-of-readers/