Bukkit

/sa - Display help page 1
/sa 2 - Display help page 2
/sa toggle - Disable/Enable announcements
/sa reload - Reload the configuration file
/sa interval <interval> - set the time between announcements(in seconds)
/sa prefix <prefix> - Set the prefix for announcements
/sa random <true/false> - Set whether or not the announcements are broadcasted in order or at random
/sa list - Lists all announcements
/sa add <message> - Add a new announcement
/sa remove <message Index> - Remove the announcement with the specified index # found on the '/sa list' command
/sa motd - See commands related to motd configuration
/sa debug - Debug the plugin
/sa profile <name> - Retrieve  a players logged statistics

/motd add <Message> - Add a new line to the bottom of your MOTD
/motd remove <Line #> - Remove a specific line from the MOTD
/motd list - Displays the MOTD without colours
/motd view - Displays the MOTD with full colour
/motd toggle - Set whether the MOTD is displayed to users on login or not
/motd alter <Line#> <NewMessage> - Give a specific line of the MOTD a new message

Giving this permission grants a user the ability to receive admin help requests from players

/sa vote - prints a link defined in the config file that appears upon executing the command