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Originally created in 2006, Powerbot (formerly known as RSBot) has turned into a major website for users to gain access to scripts to help them level up and earn money in RuneScape. Powerbot used to be an open source bot, made with JAVA, the same scripting that RuneScape had been made with. As the years went on Powerbot's membership rate has dramatically increased making it a popular free forum site and a free bot.
Their forums contain a variety of categories including a big market section focused around RuneScape virtual items and related services.