Major Features of Lidarr
Support for major platforms: Windows, Linux, macOS, Raspberry Pi, etc.
Automatically detects new tracks.
Can scan your existing library and download any missing tracks.
Can watch for better quality of the tracks you already have and do an automatic upgrade.
Automatic failed download handling will try another release if one fails
Manual search so you can pick any release or to see why a release was not downloaded automatically
Fully configurable track renaming
Full integration with SABnzbd and NZBGet
Full integration with Kodi, Plex (notification, library update, metadata)
Full support for specials and multi-album releases
And a beautiful UI

Screenshots of Accrescent

Screenshots of ntfy.sh

Features of Glaxnimate

Customizable Interface
Dark and Light UI themes Icon themes Dockable views
Smooth Animations
Vector graphics and tweening animations
Cross Platform
Download for GNU/Linux, Windows, and Mac
Animations for the web
Lottie animations Animated GIF and WebP Animated SVG
Easily Extensible
You can use Python to manipulate animations and create plugins.

Screenshots of Glaxnimate