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I should mention that Crossfilter and Cube are pretty dead - Mike Bostock, who originally wrote them, has left Square, and apparently they don't use them internally anymore.

As somebody else mentioned, DC.js (http://dc-js.github.io/dc.js/) is (one) replacement, at least for Crossfilter.

DC.js isn't a replacement, it integrates d3 and crossfilter to make data-driven charts based on a crossfilter data source.

Very cool i've referenced this to a few folks in the past. Here's the demo link BTW http://square.github.io/crossfilter/

And http://dc-js.github.io/dc.js/ , the end-user friendlier frontend.

Just wondering what is the max size of data it can handle maintaining the respectable performance on browser .. the data used in demo is 5.3 MB

It's pretty performant with large data sizes. The number of dimensions has impacted performance more in my experience, and there's a hard limit of (I think) 16 maximum dimensions.

CrossFilter – Fast n-dimensional filtering and grouping of records