Similarity Python Packages

recordlinkage

A powerful and modular toolkit for record linkage and duplicate detection in Python

strsimpy

A library implementing different string similarity and distance measures using Python.

dists-pytorch

IQA: Deep Image Structure and Texture Similarity Metric

strsim

A library implementing different string similarity and distance measures using Python.

nxontology

NetworkX-based Python library for representing ontologies

text2vec

text2vec, text to vector. 文本向量表征工具，把文本转化为向量矩阵，实现了Word2Vec、RankBM25、Sentence-BERT、CoSENT等文本表征、文本相似度计算模型，开箱即用。

iscc-core

ISCC - Codec & Algorithms

bblean

BitBIRCH-Lean, a memory-efficient implementation of BitBIRCH designed for high-throughput clustering of huge molecular libraries

html-similarity

Compare html similarity using structural and style metrics

cbrkit

Customizable Case-Based Reasoning (CBR) toolkit for Python with a built-in API and CLI

iscc-sdk

ISCC - Software Development Kit

difpy

difPy - Python package for finding duplicate and similar images

iscc-usearch

Scalable approximate nearest neighbor search for variable-length binary bit-vectors.

similarities

Similarities: a toolkit for similarity calculation and semantic search. 相似度计算、匹配搜索工具包，支持亿级数据文搜文、文搜图、图搜图，python3开发，开箱即用。

shapesimilarity

:chart_with_upwards_trend: The package allows you to check the similarity between two shapes/curves, using Frechet distance together with Procrustes analysis.

nlpbrl

NLP algorithm integration package

rltk

Record Linkage ToolKit

sentence2vec

文本相似度（匹配）计算，提供Baseline、训练、推理、指标分析...代码包含TensorFlow/Pytorch双版本

unisim

UniSim is a package for efficient similarity computation, fuzzy matching, and clustering of data.

echotime

EchoTime: explainable structural similarity for time series and time-series datasets, with shareable HTML reports and agent-ready JSON.

pytorch-cka

Centered Kernel Alignment (CKA) with Efficient Computation and Layer-wise Visualization for PyTorch

copy-spotter

Make plagiarism detection easier. This package will find similar sentences between given files and highlight them in a side by side comparison.

mhcxgraph

A Python package for detecting potential T cell receptor cross-reactivity based on peptide–MHC structures

pysentence-similarity

PySentence-Similarity is a tool designed to identify and find similarities between sentences and a base sentence, expressed as a percentage.