Bukkit

PermissionsEx

set %players% group to %string% - change player's group.
%players% group is %string% - check if player's group is ...
add permission %string% to %group|players% - adds a permission to a player/group.
inheritance %group% to %group% - inheritance a group into a group.

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PlotMe

un|deny %players% from plot at %location% / un|deny %players% from plot %string% - un|deny anyone from a plot.
[add/remove] %players% to plot at %location% / [add/remove] %players% to plot %string% - add/remove anyone from a plot.
set {_loc} to location of plot sign [at %location%/of plot %string%] - set variable to location of plot sign (i need it :3)

The PEX stuff will be added in v1.4 and will be using Vault. That way I can hook into a lot more permission plugins easier than having to go around each one requested.

I will also add that PlotMe stuff in 1.4

group of %player% - has been added in 1.4 and denying/undenying people has also been added. The others will be added later.

The only problem with PlotMe is that they doesn't support offline mode anymore, so I think they will lose lots of users, which are going from PlotMe to PlotSquared (compatible with plotme addons and plugins + it's free)

@portapipe: Go

Umbaska may deprecate support for PlotMe and eventually only support PlotSquared. Not sure how it'll go.