Guix,

What the tin says:

~ λ guix search ^newsboat
name: newsboat
version: 2.22.1
outputs: out
systems: x86_64-linux
dependencies: curl@7.74.0 gettext-minimal@0.20.1 json-c@0.14 
libxml2@2.9.10 ncurses@6.2 openssl@1.1.1i
+ pkg-config@0.29.2 ruby-asciidoctor@2.0.10 sqlite@3.31.1 
stfl@0.24
location: gnu/packages/syndication.scm:63:2
homepage: https://newsboat.org/
license: GPL 2+, Expat
synopsis: Text-mode RSS and Atom feed reader with podcast support
description: Newsboat is a feed reader for "RSS" and "Atom", XML 
formats widely used to transmit, publish, and
+ syndicate news or blog articles.  It's designed for use on text 
terminals, and to have a coherent and
+ easy-to-use interface that might look familiar to `mutt' or 
`slrn' users.
+
+ Newsboat supports OPML import/exports, HTML rendering, podcasts 
(with `podboat'), off-line reading, searching
+ and storing articles to your file system, and many more 
features.
relevance: 22

name: newsboat
version: 2.13
outputs: out
systems: x86_64-linux i686-linux
dependencies: asciidoc@8.6.10 curl@7.74.0 gettext-minimal@0.20.1 
json-c@0.13.1 libxml2@2.9.10 ncurses@6.2
+ pkg-config@0.29.2 sqlite@3.31.1 stfl@0.24
location: gnu/packages/syndication.scm:159:2
homepage: https://newsboat.org/
license: GPL 2+, Expat
synopsis: Text-mode RSS and Atom feed reader with podcast support
description: Newsboat is a feed reader for "RSS" and "Atom", XML 
formats widely used to transmit, publish, and
+ syndicate news or blog articles.  It's designed for use on text 
terminals, and to have a coherent and
+ easy-to-use interface that might look familiar to `mutt' or 
`slrn' users.
+
+ Newsboat supports OPML import/exports, HTML rendering, podcasts 
(with `podboat'), off-line reading, searching
+ and storing articles to your file system, and many more 
features.
relevance: 22

Kind regards,

T G-R