YEEY this was what i was searching for since 1.5.2 hahah, ty so much for this plugin i love it. It really works. Recomendable. 11/10. Download plis. Support this guy!
ChangeSlots - Change max players / slots [Bukkit/Bungee|1.7-1.15] 2.3.0
Simple Bukkit and BungeeCord plugin to change the max players on your server without restart.