MinHash, LSH, LSH Forest, Weighted MinHash, HyperLogLog, HyperLogLog++, LSH Ensemble and HNSW

Dynatrace hash library for Java

A Clojure library for querying large data-sets on similarity

Paper about the estimation of cardinalities from HyperLogLog sketches

DynaHist: A Dynamic Histogram Library for Java

Routines and data structures for using isarn-sketches idiomatically in Apache Spark

Memory-efficient Count-Min Sketch Counter (based on Madoka C++ library)

Implementation for - Mitigating DNS random subdomain DDoS attacks by distinct heavy hitters sketches

UltraLogLog: A Practical and More Space-Efficient Alternative to HyperLogLog for Approximate Distinct Counting

ExaLogLog: Space-Efficient and Practical Approximate Distinct Counting up to the Exa-Scale

Approximate Sketches for Join Size Estimation (SIGMOD'24)

A Prototype For Fitting Monotonic Cubic Splines to a Tdigest Sketch

Yet Another Lame Algorithm Library

A barebones implementation of the simhash data sketching algorithm.