Hey KeepCalm, just a little help I recommend to you: http://www.minecraftforum.net/topic/1484373-146147smpfihgus-command-mods-for-vanilla-server/
This is a MOD, not a PLUGIN, and it works fine, but...
This would work, but it doesn't because you have the permissions.yml (generated by bukkitforge) file interfering with the mod. Is there a way to remove the permissions.yml file (which is located in the root of the server), because deleting it will not work? (For example, I tried using gamemode with Bukkitforge, and it said I didn't have permission, but without it, I was allowed)