FeedHQ is a simple, lightweight web-based feed reader. Main features:
User-facing features
RSS and ATOM support
Grouping by categories
Awesome pagination and intelligent browsing
Great readability on all screen sizes (smatphones, tablets and desktops)
Mobile-friendly, retina-ready
Reading list management with Instapaper, Readability or Read It Later support
Filter out already read entries and duplicates
Hides images/media by default (and therefore filters ads and tracking stuff)
Multiple user support
Control on entries' time to live (days, weeks, months or forever)
OPML import
Syntax highlighting, awesome for reading tech blogs
Keyboard navigation
Developer- / Sysadmin-facing features
Nice with web servers, uses ETag and Last-Modified HTTP headers
Handles HTTP status codes nicely (permanent redirects, gone, not-modified…)
Exponential backoff support
PubSubHubbub support
