Name of Plugin: Parties
Plugin version: v1.6.5 for 1.10 (Sep 19, 2016)
Minecraft version compatibility: 1.10.2
LinkBrief description on what it does and adds:It adds a party system that has a party spawnpoint/home. It has compatibility with Grief Prevention, which makes it possible to combine it to make something like towny. Also, it is compatible with economy plugins, chatplugins and some other ones.
It has customizable ranks, a party chat, it can prevent friendly fire, but that is configurable. Party prefix/suffix are in there as well.
Additional InfoIt works with Grief Prevention, so that players can choose if players in their party can build there or not.