Change Detection Python Packages

frouros

Frouros: an open-source Python library for drift detection in machine learning systems.

changedetection-io-osint-processor

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

webchanges

webchanges anonymously checks web content (including images) and commands for changes, delivering instant notifications and AI-powered summaries to your favorite platform.

bocd

Bayesian Changepoint Detection

changedetection-tui

TUI client for changedetection.io

changepoynt

Efficient and readable change point detection package implemented in Python. (Singular Spectrum Transformation - SST, IKA-SST, ulSIF, RuLSIF, KLIEP, FLUSS, FLOSS, etc.)

copent

Estimating Copula Entropy (Mutual Information), Transfer Entropy (Conditional Mutual Information), and the statistics for multivariate normality test and two-sample test, and change point detection in Python

distmetrics

Disturbance metrics for OPERA RTC-S1

object-tracker

A pure python Object state change tracker. Monitor all changes in the object's lifecycle and trigger callback functions. :pencil:

provsense

ProvSense is a Python library for managing knowledge graph provenance. It enables efficient comparison of files, tracking changes, and enforcing provenance rules to ensure data integrity and traceability. Ideal for researchers and developers, ProvSense promotes transparency and accountability in data-driven workflows.

ocpdet

📦 A Python package for online changepoint detection, implementing state-of-the-art algorithms and a novel approach based on neural networks.

crawldiff

git log for any website. Track what changed on any site with AI-powered summaries.

modpack-changelogger

A powerful and customizable Python tool to generate a changelog between two Minecraft modpacks in modrinth.mrpack or curseforge.zip format.

atomik-core

ATOMiK delta-state algebra — O(1) state reconstruction for any processor

pareidolia

Multi-sample change detection in Hi-C patterns

roerich

:point_up: Change point detection

farchive

Local content-addressed archive with observation history. Stores bytes by SHA-256, preserves locator state as contiguous spans, compresses with zstd and corpus-trained dictionaries. SQLite-backed.

pychecksumcache

A lightweight Python library that uses MD5 checksums to track file changes and execute code only when files have been modified. PyChecksumCache maintains a persistent cache of file checksums, making it ideal for build systems, asset processors, incremental compilers, and any tools that need efficient change detection.

diffgrab

Web page change tracking + structured diffs — markgrab + snapgrab integration, MCP native

wayback-diff

Intelligent web page comparison tool with Wayback Machine support and visual regression testing

changeos

ChangeOS: Building damage assessment via Deep Object-based Semantic Change Detection - (RSE 2021)

idfva

Estimate incremental volume changes (erosion and deposition) along the path of a debris flow.

cpfinder

Online changepoint detection for time-series data - library for python

ppcd

SDK about pdrscd