LiteManager OSX client and iOS client.
You can use Power management, Send message and Remote launch modes for a group of connections. Select the group of connections and choose the required connection mode from the context menu. The action will be performed for this group of connections.
You can also change the connection settings.
The changed properties will be tinting the color or to stand out, added a function to undo the change.
Group change properties of contacts was more convenient to change properties, you can select not only the contacts but also the group which contains the contact whose properties you want to modify.