Bazarr

Homepage : https://www.bazarr.media

Applicable models: x.64 series
Applicable TOS4: 4.1.27 or later versions
Applicable TOS5: 5.0.130 or later versions
Applicable TOS6: 6.0.420 or later versions

Required packages:
Python38 for TOS5
Python311 for TOS6

About

Bazarr is a companion application to Sonarr and Radarr that manages and downloads subtitles based on your requirements.

Automatically add new series and episodes from Sonarr
Automatically add new movies from Radarr
Series or movies based configuration for subtitles languages
Scan your existing library for internal and external subtitles and download any missing
Keep history of what was downloaded from where and when
Manual search so you can download subtitles on demand
Upgrade subtitles previously downloaded when a better one is found
Ability to delete external subtitles from disk
Currently support 184 subtitles languages with support for forced/foreign subtitles (depending of providers)
And a beautiful UI based on Sonarr

Supported subtitles providers:

Addic7ed
Argenteam
Assrt
BetaSeries
BSplayer
GreekSubtitles
Hosszupuska
LegendasDivx
LegendasTV
Ktuvit (Get hashed_password using method described here)
Napiprojekt
Napisy24
Nekur
OpenSubtitles.org
Podnapisi
RegieLive
Sous-Titres.eu
Subdivx
Subs.sab.bz
Subs4Free
Subs4Series
Subscene
Subscenter
Subsunacs.net
SubSynchro
Subtitrari-noi.ro
subtitri.id.lv
Subtitulamos.tv
Sucha
Supersubtitles
Titlovi
Titrari.ro
TuSubtitulo
TVSubtitles
Wizdom
XSubs
Yavka.net
YIFY Subtitles
Zimuku