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This article is about the engine that the Scratch Website was built on. For people who use Scratch, see Scratcher. For the removed website that is sometimes abbreviated as SR, see Scratch Resources.

ScratchR (Scratch Repository) was a platform, developed by the Lifelong Kindergarten Group at MIT, which allowed Scratch projects to be uploaded to the Scratch Website in the 1.x era. It provided the server infrastructure that allowed users to comment on projects, add tags to projects, and create galleries (now Studios). The Scratch Team described it as "programming what YouTube is for video production."[1] Andrés Monroy-Hernandez (andresmh) led the project, and Mitchel Resnick helped. Both also worked on the Scratch program.


With the development of Scratch 2.0, the entire programming and website environment changed. The Scratch 2.0 program was designed in Flash as opposed to Squeak, and the website utilizes varying languages to construct its servers, forums, and databases. Projects have different data, the website has new and changed features, so the development body for the whole of Scratch had to change with the complete redesign. The exact name for the platform that allows Scratch projects to be stored within the Scratch and comments to be created is not specified and possibly unnamed, but the term "ScratchR" has scarcely been used in recent years. Now the site is an SMS service due to the domain being sold; however, it still remains on the image hosts white-list on the Scratch Forums.


See also: List of Misconceptions about Scratch

The word "ScratchR" was often misconstrued as meaning "Scratcher," simply because it looks and sounds like "Scratcher." It was also sometimes thought to mean a member of the Scratch Team, since at one point andresmh's rank on the Scratch Forums was "ScratchR", simply meaning that he worked on the ScratchR project.[2] Some people would even confuse it with Scratch Resources, because Scratch Resources is sometimes abbreviated to SR.

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