You can make a video in any language and I will put it here if you send me the link.
Features
Automatic invisibility while you're crouched.
Completion of the command by using Tab. Cooldown customizable.
Excellent control when editing files. Fully customizable.
Special effects applicable. Highly efficient plugin.
Multi languages. Permissions optimized with various groups.
All messages configurable. Efficient and configurable GUI.
Configurable particles for VIP. Multi-world support.
No dependency. CombatTagPlus support.
Check for update. Support from Java 8.
Multiple invisibility times to create several ranks. Invisibility available for both players and mobs.
Permissions
fullcloak.* - Gives access to all permissions of FullCloak.
fullcloak.see - Allows to see invisible players.
fullcloak.hide.10 - Allows becoming invisible for 10 seconds.
fullcloak.hide.20 - Allows becoming invisible for 20 seconds.
fullcloak.hide.30 - Allows becoming invisible for 30 seconds.
fullcloak.hide.40 - Allows becoming invisible for 40 seconds.
fullcloak.hide.50 - Allows becoming invisible for 50 seconds.
fullcloak.hide.60 - Allows becoming invisible for 60 seconds.
fullcloak.hide - Allows becoming invisible while you are crouching.
fullcloak.commands.* - Gives access to all commands of FullCloak.
fullcloak.command.off - Allows you to use the command /fullcloak off.
fullcloak.command.cooldown - Allows you to use the command /fullcloak cooldown.
fullcloak.command.enable - Allows you to use the command /fullcloak enable.
fullcloak.command.disable - GAllows you to use the command /fullcloak disable.
fullcloak.command.check - Allows you to use the command /fullcloak check.
fullcloak.command.open - Allows you to use the command /fullcloak open.
fullcloak.command.effect - Allows you to use the command /fullcloak effect.
fullcloak.command.hide - Allows you to use the command /fullcloak hide.
fullcloak.command.reload - Allows you to use the command /fullcloak reload.
Commands
/fullcloak - Plugin information.
/fullcloak off - Disable totally the plugin.
/fullcloak help - List of commands.
/fullcloak disable - Disable invisibility via command and via Shift.
/fullcloak enable - Enable invisibility via command and via Shift.
/fullcloak cooldown - Check the time remaining in the cooldown.
/fullcloak check <player> - Check whether the player is hidden or not.
/fullcloak open <menu> - Open the selected plugin menu.
/fullcloak effect <effect> - Select an effect to be shown while invisible.
/fullcloak hide - Hides a player as if he was crouching.