KaroglanSignEditor

You could give kse.user permission for your player's group, both kse.user and kse.admin for admin group.

Detailed permissions(works after v3.4):

/kse set :kse.user.set

/kse trust :kse.user.trust

/kse untrust :kse.user.trust

/kse trustlist :kse.user.trust

/kse clear :kse.user.clear

/kse copy :kse.user.copy

/kse paste :kse.user.paste

/kse clipboard :kse.user.clipboard

/kse swap :kse.user.swap

/kse version :kse.admin.version

/kse reload :kse.admin.reload

To editing sign bypass :kse.admin.bypass