A modern NewsBlur client for Windows (formerly called Hypersonic). Free and open source.

Features:

- Two-way synchronization with NewsBlur: synchronize your site subscriptions, mark stories as read/unread, and save stories for later reading.

- Support for NewsBlur social features: share stories to your blurblog and view, like, and reply to comments and shares from other users.

- Clean and simple user interface following Windows 11 design principles.

- Fast and fluid reading experience: swipe left or right to flip through stories, view in feed or text modes, and easily open the full version of the article in your web browser.

- Native Windows integration: Full light/dark mode support, badging with background updates, and share stories to other apps.

NOTE: This app requires a NewsBlur account to function. A free-tier account can be created in-app.