1.RoaringBitmap / RoaringBitmapA better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many othersjavabitsetroaring-bitmapsroaringbitmapdruidspark+1 moreJavaAPACHE-2.04K total598 forks+109 starsfrom 3,846 · score 4.70