Name of the plugin you want:
⭐ULTRA⭐ Prison Core [1.8.8-1.16.X] ~ Ultimate solution for your Prison server!
Spigot Link: https://www.mc-market.org/resources/18271/
Price: 14,97
How it would contribute towards the betterment of the community: it seems a really good prison setup
Name of the plugin you want: ⭐KeyLocker/KeyBackpack⭐ Must have for prison ⭐
Spigot Link: https://www.mc-market.org/resources/17428/
Price: 5USD
How it would contribute towards the betterment of the community: Its a very important plugin for prison servers, nice to have!