Yarr
Yarr (yet another rss reader) is a web-based feed aggregator which can be used both as a desktop application and a personal self-hosted server.
Tiny Tiny RSS
Open source web-based news feed (RSS/Atom) reader and aggregator.
Temboz
Two-column feed reader emphasizing filtering capabilities to manage information overload.
Stringer
Work-in-progress self-hosted, anti-social RSS reader.
Selfoss
New multipurpose rss reader, live stream, mashup, aggregation web application.
RSSHub
An easy to use, and extensible RSS feed aggregator, it’s capable of generating RSS feeds from pretty much everything ranging from social media to university departments.
RSS2EMail
Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML.
RSS Monster
An easy to use web-based RSS aggregator and reader compatible with the Fever API (alternative to Google Reader).
RSS-Bridge
Generate RSS/ATOM feeds for websites which don’t have one.
reader
A Python feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies.
Readflow
Lightweight news reader with modern interface and features: full-text search, automatic categorization, archiving, offline support, notifications…
NewsBlur
NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument.
Newspipe
Newspipe is a web news reader.
Miniflux
Miniflux is a minimalist and open source news reader, written in Go and PostgreSQL.
Leed
Leed (for Light Feed) is a Free and minimalist RSS aggregator.
Kriss Feed
Simple and smart (or stupid) feed reader.
JARR
JARR (Just Another RSS Reader) is a web-based news aggregator and reader (fork of Newspipe).
Goeland
Reads RSS/Atom feeds and filter/digest them to create beautiful emails.
FreshRSS
Self-hostable RSS feed aggregator.
FeedCord
A simple, lightweight & customizable RSS News Feed for your Discord Server.
Feedpushr
Powerful RSS aggregator, able to transform and send articles to many outputs. Single binary, extensible with plugins.
CommaFeed
Google Reader inspired self-hosted RSS reader.
Bubo Reader
Open source, “irrationally minimal” RSS feed reader.