BetterMsg is a super-simple and lightweight plugin made for Spigot that enhances your messaging system.

Commands:
msg:
description: Sends a private message to a player.
usage: /msg <player> <message>
reply:
description: Replies to the last received message.
usage: /reply <message>
w:
description: Sends a private message to a player.
usage: /w <player> <message>
whisper:
description: Sends a private message to a player.
usage: /w <player> <message>