diff --git a/zx b/zx
index 64b87d5..f8c5246 100755
--- a/zx
+++ b/zx
@@ -87,10 +87,60 @@ start(["set", "dep", PackageString]) ->
     set_dep(PackageID);
 start(["set", "version", VersionString]) ->
     set_version(VersionString);
+start(["list", "realms"]) ->
+    list_realms();
+start(["list", "packages", Realm]) ->
+    case valid_lower0_9(Realm) of
+        true ->
+            list_packages(Realm);
+        false ->
+            ok = log(error, "Bad realm name."),
+            halt(1)
+    end;
+start(["list", "versions", Package]) ->
+    case string:lexemes(Package, "-") of
+        [Realm, Name] ->
+            list_versions({Realm, Name});
+        _ ->
+            ok = log(error, "Bad package name."),
+            halt(1)
+    end;
+start(["list", "pending", Package]) ->
+    case string:lexemes(Package, "-") of
+        [Realm, Name] ->
+            list_pending({Realm, Name});
+        _ ->
+            ok = log(error, "Bad package name."),
+            halt(1)
+    end;
+start(["list", "resigns", Realm]) ->
+    case valid_lower0_9(Realm) of
+        true ->
+            list_resigns(Realm);
+        false ->
+            ok = log(error, "Bad realm name."),
+            halt(1)
+    end;
 start(["add", "realm", RealmFile]) ->
     add_realm(RealmFile);
 start(["add", "package", PackageName]) ->
     add_package(PackageName);
+start(["add", "packager", Package, UserName]) ->
+    add_packager(Package, UserName);
+start(["add", "maintainer", Package, UserName]) ->
+    add_maintainer(Package, UserName);
+start(["review", PackageString]) ->
+    PackageID = package_id(PackageString),
+    review(PackageID);
+start(["approve", PackageString]) ->
+    PackageID = package_id(PackageString),
+    approve(PackageID);
+start(["reject", PackageString]) ->
+    PackageID = package_id(PackageString),
+    reject(PackageID);
+start(["resign", PackageString]) ->
+    PackageID = package_id(PackageString),
+    resign(PackageID);
 start(["drop", "dep", PackageString]) ->
     PackageID = package_id(PackageString),
     drop_dep(PackageID);
@@ -548,6 +598,104 @@ update_version(Realm, Name, OldVersion, NewVersion, OldMeta) ->
 
 
 
+%%% List Functions
+
+-spec list_realms() -> no_return().
+%% @private
+%% List all currently configured realms. The definition of a "configured realm" is a
+%% realm for which a .realm file exists in ~/.zomp/. The realms will be printed to
+%% stdout and the program will exit.
+
+list_realms() ->
+    Pattern = filename:join(zomp_dir(), "*.realm"),
+    RealmFiles = filelib:wildcard(Pattern),
+    Realms = [filename:basename(RF, ".realm") || RF <- RealmFiles],
+    ok = lists:foreach(fun(R) -> io:format("~ts~n", [R]) end, Realms),
+    halt(0).
+
+
+-spec list_packages(realm()) -> no_return().
+%% @private
+%% Contact the indicated realm and query it for a list of registered packages and print
+%% them to stdout.
+
+list_packages(Realm) ->
+    Socket = connect_user(Realm),
+    ok = send(Socket, {list, Realm}),
+    case recv_or_die(Socket) of
+        {ok, []} ->
+            ok = log(info, "Realm ~tp has no packages available.", [Realm]),
+            halt(0);
+        {ok, Packages} ->
+            Print = fun({R, N}) -> io:format("~ts-~ts~n", [R, N]) end,
+            ok = lists:foreach(Print, Packages),
+            halt(0);
+    end.
+
+
+-spec list_versions(package()) -> no_return().
+
+list_versions(Package = {Realm, Name}) ->
+    ok = valid_package(Package),
+    Socket = connect_user(Realm),
+    ok = send(Socket, {list, Realm, Name}),
+    case recv_or_die(Socket) of
+        {ok, []} ->
+            Message = "Package ~ts-~ts has no versions available.",
+            ok = log(info, Message, [Realm, Name]),
+            halt(0);
+        {ok, Versions} ->
+            Print =
+                fun(Version) ->
+                    PackageString = package_string({Realm, Name, Version}),
+                    io:format("~ts~n", [PackageString])
+                end,
+            ok = lists:foreach(Print, Versions),
+            halt(0)
+    end.
+
+
+-spec list_pending(package()) -> no_return().
+
+list_pending(Package = {Realm, Name}) ->
+    ok = valid_package(Package),
+    Socket = connect_user(Realm),
+    ok = send(Socket, {pending, Package}),
+    case recv_or_die(Socket) of
+        {ok, []} ->
+            Message = "Package ~ts-~ts has no versions pending.",
+            ok = log(info, Message, [Realm, Name]),
+            halt(0);
+        {ok, Versions} ->
+            Print =
+                fun(Version) ->
+                    PackageString = package_string({Realm, Name, Version}),
+                    io:format("~ts~n", [PackageString])
+                end,
+            ok = lists:foreach(Print, Versions),
+            halt(0)
+    end.
+
+
+-spec valid_package(package()) -> ok | no_return().
+
+valid_package({Realm, Name}) ->
+    case {valid_lower0_9(Realm), valid_lower0_9(Name)} of
+        {true, true} ->
+            ok;
+        {false, true} ->
+            ok = log(error, "Invalid realm name: ~tp", [Realm]),
+            halt(1);
+        {true, false} ->
+            ok = log(error, "Invalid package name: ~tp", [Name]),
+            halt(1);
+        {false, false} ->
+            ok = log(error, "Invalid realm ~tp and package ~tp", [Realm, Name]),
+            halt(1)
+    end.
+
+
+
 %%% Add realm
 
 -spec add_realm(Path) -> no_return()
@@ -621,35 +769,95 @@ add_package(PackageName) ->
 %% This sysop-only command can add a package to a realm operated by the caller.
 
 add_package(Realm, Name) ->
-    Socket =
-        case connect_auth(Realm) of
-            {ok, S} ->
-                S;
-            Error ->
-                M1 = "Connection failed to realm prime with ~160tp.",
-                ok = log(warning, M1, [Error]),
-                halt(1)
-        end,
+    Socket = connect_auth_or_die(Realm),
     ok = send(Socket, {add_package, {Realm, Name}}),
-    receive
-        {tcp, Socket, Bin} ->
-            case binary_to_term(Bin, [safe]) of
-                ok ->
-                    ok = log(info, "\"~ts-~ts\" added successfully.", [Realm, Name]),
-                    halt(0);
-                {error, Reason} ->
-                    M2 = "Operation failed. Server sends reason: ~160tp",
-                    ok = log(error, M2, [Reason]),
-                    halt(1)
-            end;
-        {tcp_closed, Socket} ->
-            halt_on_unexpected_close()
-        after 5000 ->
-            ok = log(warning, "Operation timed After submission to server."),
-            halt(1)
+    ok = recv_or_die(Socket),
+    ok = log(info, "\"~ts-~ts\" added successfully.", [Realm, Name]),
+    halt(0).
+
+
+list_resigns(Realm) ->
+    Socket = connect_auth_or_die(Realm),
+    ok = send(Socket, {list_resigns, Realm}),
+    case recv_or_die(Socket) of
+        {ok, []} ->
+            Message = "No packages pending signature in ~tp.",
+            ok = log(info, Message, [Realm]),
+            halt(0);
+        {ok, PackageIDs} ->
+            Print =
+                fun(PackageID) ->
+                    PackageString = package_string(PackageID),
+                    io:format("~ts~n", [PackageString])
+                end,
+            ok = lists:foreach(Print, PackageIDs),
+            halt(0)
     end.
 
 
+add_packager(Package, UserName) ->
+    ok = log(info, "Would add ~ts to packagers for ~160tp now.", [UserName, Package]),
+    halt(0).
+
+
+add_maintainer(Package, UserName) ->
+    ok = log(info, "Would add ~ts to maintainer for ~160tp now.", [UserName, Package]),
+    halt(0).
+
+
+review(PackageID) ->
+    PackageString = package_string(PackageID),
+    ZrpPath = PackageString ++ ".zrp",
+    ok = log(info, "Saving to ~ts, unpacking to ./~ts/", [ZrpPath, PackageString]),
+    ok =
+        case {filelib:is_file(ZrpPath), filelib:is_file(PackageString)} of
+            {false, false} ->
+                ok;
+            {true, false} ->
+                ok = log(error, "~ts already exists. Aborting.", [ZrpPath]),
+                halt(1);
+            {false, true} ->
+                ok = log(error, "~ts already exists. Aborting.", [PackageString]),
+                halt(1);
+            {true true} ->
+                Message = "~ts and ~ts already exist. Aborting.",
+                ok = log(error, Message, [ZrpPath, PackageString]),
+                halt(1);
+        end,
+    Socket = connect_auth_or_die(),
+    ok = send(Socket, {review, PackageID}),
+    ok = receive_or_die(Socket),
+    {ok, ZrpBin} = recieve_or_die(Socket),
+    ok = file:write_file(ZrpPath, ZrpBin),
+    ok = disconnect(Socket),
+    {"zomp.meta", MetaBin} = erl_tar:extract(ZrpBin, [memory, {files, "zomp.meta"}]),
+    Meta = binary_to_term(MetaBin, [safe]),
+    
+
+
+approve(PackageID = {Realm, _, _}) ->
+    Socket = connect_auth_or_die(Realm),
+    ok = send(Socket, {approve, PackageID}),
+    ok = recv_or_die(Socket),
+    ok = log(info, "ok"),
+    halt(0).
+
+
+reject(PackageID = {Realm, _, _}) ->
+    Socket = connect_auth_or_die(Realm),
+    ok = send(Socket, {reject, PackageID}),
+    ok = recv_or_die(Socket),
+    ok = log(info, "ok"),
+    halt(0).
+
+
+resign(PackageID) ->
+    M = "Pull the indicated package",
+    ok = log(info, M, [PackageID]),
+    halt(0).
+
+
+
 %%% Drop dependency
 
 -spec drop_dep(package_id()) -> no_return().
@@ -1057,6 +1265,43 @@ send(Socket, Message) ->
     gen_tcp:send(Socket, Bin).
 
 
+-spec recv_or_die(Socket) -> Result | no_return()
+    when Socket :: gen_tcp:socket(),
+         Result :: ok | {ok, term()}.
+
+recv_or_die(Socket) ->
+    receive
+        {tcp, Socket, Bin} ->
+            case binary_to_term(Bin, [safe]) of
+                ok ->
+                    ok;
+                {ok, Response} ->
+                    {ok, Response};
+                {error, bad_realm} ->
+                    ok = log(warning, "No such realm at the connected node.").
+                    halt(1);
+                {error, bad_package} ->
+                    ok = log(warning, "No such package.").
+                    halt(1)
+                {error, bad_version} ->
+                    ok = log(warning, "No such version."),
+                    halt(1);
+                {error, not_in_queue} ->
+                    ok = log(warning, "Version is not queued."),
+                    halt(1);
+                {error, bad_message} ->
+                    ok = log(error, "Oh noes! zx sent an illegal message!"),
+                    halt(1)
+            end;
+        {tcp_closed, Socket} ->
+            ok = log(warning, "Lost connection to node unexpectedly."),
+            halt(1)
+        after 5000 ->
+            ok = log(warning, "Node timed out."),
+            halt(1)
+    end.
+
+
 -spec halt_on_unexpected_close() -> no_return().
 
 halt_on_unexpected_close() ->
@@ -1169,7 +1414,7 @@ confirm_serial(Realm, Socket, Hosts) ->
                     Socket;
                 {ok, Current} when Current > Serial ->
                     ok = log(info, "Node's serial newer than ours. Storing."),
-                    NewSerials = lists:keystore(Realm, 1, Current, {Realm, Serials}),
+                    NewSerials = lists:keystore(Realm, 1, Serials, {Realm, Current}),
                     {ok, Host} = inet:peername(Socket),
                     ok = write_terms(hosts_cache_file(Realm), [Host | Hosts]),
                     ok = write_terms(SerialFile, NewSerials),
@@ -1193,6 +1438,19 @@ confirm_serial(Realm, Socket, Hosts) ->
     end.
 
 
+-spec connect_auth_or_die(realm()) -> gen_tcp:socket() | no_return().
+
+connect_auth_or_die(Realm) ->
+    case connect_auth(Realm) of
+        {ok, Socket} ->
+            Socket;
+        Error ->
+            M1 = "Connection failed to realm prime with ~160tp.",
+            ok = log(warning, M1, [Error]),
+            halt(1)
+    end.
+
+
 -spec connect_auth(Realm) -> Result
     when Realm  :: realm(),
          Result :: {ok, gen_tcp:socket()}