When comparing NewsBlur vs FreshRSS, the Slant community recommends FreshRSS for most people. In the question“What are the best self-hosted feed readers?” FreshRSS is ranked 2nd while NewsBlur is ranked 3rd. The most important reason people chose FreshRSS is:
Licensed under AGPL 3 and self-hosted.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Recommended articles that improves over time
NewsBlur has a discovery algorithm that users can "train" to show stories they are interested in and hide ones they don't care about.
Pro Keyboard shortcuts for fast navigation
By default arrow keys and spacebar are used to quickly navigate stories, but they can be rebound for premium accounts.
Pro Multiple layout & style options
NewsBlur allows users to customize the font size, line spacing, story layout, and type faces.
Pro Fast to use
Very fast to navigate around the UI and load articles.
Pro View content the way it is originally displayed
NewsBlur offers an option of reading articles just like they are displayed on the original site.
Pro Organize feeds into folders
Feeds can be grouped into folders for easier management and to allow users to separate feeds for work, comics, research, etc.
Pro Share stories with comments
Burblog is a simple, customizable website for sharing stories with comments that people can subscribe to.
Pro Aggregates email newsletters
You can forward email newsletters to a user-specific email address to have them aggregated in your feed reader along with your RSS content.
Pro Free / Libre software
NewsBlur is FOSS, so it can be freely modified & redistributed.
Pro Freemium service
Free version has a limit of 64 sites. Upgrading to unlimited sites costs $1/month.
Pro Full control
Licensed under AGPL 3 and self-hosted.
Pro Polite and respectful community
You can ask questions and receive answers. It seems normal on the surface, but that's currently almost an unique feature for an OSS.
Pro Fast
As someone who used Tiny Tiny RSS for many, many years (and sill likes it) I will say that FreshRSS is noticeably faster. Feed checks are quick and jumping into the menus to configure it is effortless.
Cons
Con Freemium
This service is free, but can cost up to $24 per year for premium users.
Con Can't have unread items older than a 14 days/month
This is a premium feature.