Alternatives to NewsFlash
Modern GTK feed reader that also syncs with hosted services. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
NewsFlash
Modern GTK feed reader that also syncs with hosted services.
Replacements
Listings that take over the same core job as NewsFlash.
Liferea
GTK desktop feed reader for Linux with offline reading.
Liferea is another GPL Linux GTK reader focused on offline reading with cached articles, syncing with several accounts, but using an older three-pane interface.
RSS Guard
A desktop feed reader that also logs into Feedly, Inoreader and self-hosted readers, and plays podcasts.
RSS Guard runs on Windows, macOS, Linux and more, logs into Feedly, Inoreader and self-hosted readers, and adds a podcast player, though its interface is busy.
Fluent Reader
A desktop RSS reader with a Fluent Design interface that works locally or syncs with Inoreader, Feedbin, Fever and Google Reader API services.
Fluent Reader is an Electron app for Windows, macOS and Linux that works locally or syncs with Inoreader, Feedbin and Fever, adding regex rules for articles.
Akregator
KDE feed reader integrated with the Kontact suite.
Akregator is a KDE reader integrated with Kontact, running on Linux and Windows, but it has no synchronisation with hosted reader services.
QuiteRSS
Cross-platform desktop feed reader with an embedded browser.
QuiteRSS is a cross-platform desktop reader with an embedded ad-blocking browser, but development has stopped and it lacks the hosted sync NewsFlash offers.
Raven Reader
Cross-platform desktop RSS reader with no account required.
Raven Reader is an Electron app for Windows, macOS and Linux that keeps subscriptions local with no account, but offers no synchronisation between machines.
Feeds
A minimal RSS and Atom feed reader for the GNOME desktop on Linux.
Feeds is a minimal GNOME reader for Linux that keeps subscriptions locally, with no sync to hosted back ends or full-text scraping.
FeedFlow
A minimal RSS reader that shows your feeds in publication order on mobile and desktop.
FeedFlow is a minimal open-source reader for Linux, Windows, macOS, Android and iOS, syncing through cloud storage, FreshRSS or Miniflux.
Also worth comparing
These listings name NewsFlash as their own alternative, so the relationship runs both ways.
Lettura
A free, open-source desktop RSS reader built with Tauri for following sites and blogs.
NewsFlash is an open-source GTK reader with sync to many back ends and full-text scraping, available only on Linux.
Similar software
Related functionality, not a direct replacement.
FreshRSS
A self-hosted feed reader that is light enough to run on a cheap shared host and still handles hundreds of feeds.
Miniflux
A deliberately minimal feed reader: one Go binary, a PostgreSQL database, and no options you do not need.
Nextcloud News
RSS reader that runs inside a Nextcloud instance.
Feedbin
Paid RSS reader that also handles newsletters and YouTube.
Inoreader
Power-user cloud RSS reader with rules, filters and full-text search.
Newsboat
Terminal RSS and Atom reader with heavy keyboard control.