jutsu-dl is a simple tool for downloading anime from jut.su, which can also be used as a backend for your application
Compiled packages can be downloaded here

!! You must have the latest version of JRE 8 to run jutsu-dl (compatibility with openjre has not been tested, but if you use it, you need openjfx)

The approximate input of the download command looks like this

java -jar jutsu-dl.jar [link to film/episode]

For example

java -jar jutsu-dl.jar https://jut.su/yakusoku-neverland/season-1/episode-1.html

-q [360/480/720/1080/lowest/highest/default] for quality select
-d [DEST DIR] for destination directory select

For example

java -jar jutsu-dl.jar https://jut.su/yakusoku-neverland/season-1/episode-1.html -d ~/Videos -q 720

You will need DevelNext

1. Clone the repository to local drive
2. Open jutsu-dl.dnproject file in DevelNext
3. Click the build button in the top menu

For those who want to send a voluntary donation

If you live in Russia or can send money in rubles, please use this link
For other countries and currencies, use this

jutsu-dl will not help to bypass the regional blocking of some anime seasons.