SL Second Life Bots
Unlike other popular MMORPG’s, in Second Life the primary use of bots are for the maintenance of establishments and businesses that are owned by the users within the game. Popularly termed “Rental Bots”, they are usually custom scripts made by 3rd party developers.
So far as of this writing there are no popular free “rental bot” scripts. Due to the complexity of creating a bot script third party bot makers are selling the scripts for a minimal price. One of the most popular botting scripts is available here