Multi functional app to find duplicates, empty folders, similar images etc.

• UpdatedDec 1, 2025
• Rust

Copy/paste detector for programming source code.

• UpdatedDec 1, 2025
• TypeScript

Extremely fast tool to remove duplicates and other lint from your filesystem

• UpdatedSep 28, 2025
• C

Deduplication tool for yarn.lock files

• UpdatedOct 23, 2025
• TypeScript

Vidupe is a program that can find duplicate and similar video files. V1.211 released on 2019-09-18, Windows exe here:

• UpdatedSep 27, 2019
• C++

Duplicates Detector is a cross-platform GUI utility for finding duplicate files, allowing you to delete or link them to save space. Duplicate files are displayed and processed on two synchronized panels for efficient and convenient operation.

• UpdatedNov 28, 2025
• Python

Quickly detect already witnessed data.

• UpdatedJul 11, 2024
• Go

A deduplicator

• UpdatedSep 10, 2024
• Rust

Command-line program for Content-Based Image Retrieval of images and videos. Includes tools for general search and de-duplication.

• UpdatedNov 2, 2025
• C++

Loads async data for Redux apps focusing on preventing duplicated requests and dealing with async dependencies.

• UpdatedNov 14, 2017
• JavaScript

Plugin for Mongoose that turns duplicate errors into regular Mongoose validation errors

• UpdatedMay 26, 2022
• JavaScript

CLI utility to find duplicate files

• UpdatedSep 25, 2025
• C

Remove Duplicate Messages

• UpdatedNov 17, 2025
• JavaScript

Nextcloud Media Duplicate Collector application

• UpdatedOct 13, 2025
• PHP

A simple tool for detecting near-duplicate source code

• UpdatedOct 3, 2024
• C#

Katalog is an application to manage catalogs of disks and files to search and get statistics.

• UpdatedNov 23, 2025
• C++

JS script that allows you to remove duplicates from your Last.fm scrobbles library.

• UpdatedFeb 15, 2020
• JavaScript

Advanced Duplicate File Finder for Python

• UpdatedNov 23, 2020
• Python

Apps to find duplicate files including same/similar images & videos (with computer vision/AI)

• UpdatedJul 7, 2023

Find duplicate logins based on domain, from Bitwarden export. Open source for your safety.

• UpdatedDec 3, 2024
• HTML