grantr
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automatically cache ActiveRecord associations
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CouchDB adapter based on ActiveResource
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blog using couchdb as a backend
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store related attributes in a single integer field, similar to a flag byte
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No-history import of RJudy (Judy arrays for ruby) from sourceforge
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a maintained fork of Evan Weaver's Ultrasphinx code -- see the escape_sql branch
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easily do background work in rails, without commiting to a particular runner. comes with starling...

