The whole Sugar Services feature is nothing but just a Sugarized UI around [http://0install.net/ 0install] e.g. feed files that are being used in activity bundles are just regular 0install local feeds, so could be used to install/upgrade any software(including sugar core components).
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The entirety of the Sugar Services feature is nothing but a Sugarized UI built around [http://0install.net/ 0install]; i.e., feed files that are being used in activity bundles are just regular 0install local feeds. Services could be used to install/upgrade any software (including sugar core components).