Open Source Backup Software

Info-ZIP portable compression/archiver utilities (Zip, UnZip, WiZ, etc.)

7-Zip is a file archiver with a high compression ratio. 7-Zip works in Windows 11 / 10 / 8 / 7 / Vista / XP / 2022 / 2019 / 2016 / 2012 / 2008 / 2003 / 2000. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. And there is command line version for Linux and macOS. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license with GNU LGPL + unRAR restrictions. Check the license for details.

p7zip is a quick port of 7z.exe and 7za.exe (command line version of 7zip, see www.7-zip.org) for Unix. 7-Zip is a file archiver with highest compression ratio. Since 4.10, p7zip (like 7-zip) supports little-endian and big-endian machines.

FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent encryption, Linux support and much more...

Areca-Backup is a file backup software that supports incremental, image and delta backup on local drives or FTP servers. Areca-Backup also allows you to browse your backups and navigate among different version of the files contained in your archives.

The Ultimate Archiver: zpaq fork with deduplication & versioning Forget pruning! Get forever storage of your files with thousands of versions. Far more efficient than Time Machine or ZFS snapshots - perfect for VM backups and permanent archiving, effortlessly handling TBs and millions of files. Optimized for cloud/NAS/USB with ultra-low bandwidth, military-grade encryption, and 1GB/s+ speeds on modern hardware. Why Choose zpaqfranz? ✓ Complete: Single/multi-file storage architecture ✓ Modern: SHA-2, SHA-3, BLAKE3, XXH3 and more ✓Paranoid: Antiransomware data verification with integrity checks ✓ Runs everywhere: TrueNAS, ARM-powered, even ESXi ✓ Lightning-fast: Multi-core processing + hardware acceleration ✓ Battle-tested: 15+ years of active development since 2009 Perfect for system administrators managing critical backups and anyone needing bulletproof archival solutions with enterprise-grade reliability. See it in action: https://github.com/fcorbelli/zpaqfranz

This independent development (fork) of Areca Backup attempts to extend its lifespan by fixing bugs and adding some new features while keeping its simplicity. Areca was originally developed by Olivier PETRUCCI (aventin): https://sourceforge.net/projects/areca/

A portable version of the ARJ archiver, available for a growing number of DOS-like and UNIX-like platforms on a variety of architectures.

Native (JNI) cross-platform library to extract (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Wim Udf archives and create 7z, Zip, Tar, GZip & BZip2 from Java.

AZip is a free Zip Archive Manager with unique features such as: built-in content Search, smart archive Update, archive Recompression. The goal is to keep the user interface as simple as possible and bother the user the least possible with options or useless gadgets. More details and screenshots on the AZip Web site: http://azip.sf.net Alire crate: https://alire.ada.dev/crates/azip Mirror: https://github.com/zertovitch/azip

A SEGA Dreamcast VMU backup utility that allows you to transfer your savegame files from/to your PC harddisk.

A simple BASH script to do nightly backups to tarballs to a seperate hard drive (not to tape). Supports full and incremental backups. Ideal for linux home users to easily backup all or parts of their system, provided they have an extra hard drive.

REOBack (pronounced as ray-o-back), is a backup solution designed for Linux users/system admins. It supports scheduled full/incremental backups, remote transfers via NFS or FTP as well as auto-deletion of old backups.

EasyDMG2ISO is a small and useful utility to convert DMG files to ISO or CDR format. A DMG file is a kind of Disk Image File commonly used on macOS platform. Sometimes it may be necessary to have the Disk Image in ISO or CDR format for compatibility reasons with other platforms.

lzop is a file compressor similar to gzip. Its main advantages over gzip are much higher compression and decompression speed, at the cost of some compression ratio. lzop uses the LZO library for compression services.

English: Pyrotate is Python program for log files rotation. It uses any external archiver such as Winrar, 7-zip or gzip for compress and may rotate files in GNU/Linux logrotate's style. Program works in any OS such as Windows, Linux, Unix, Mac OS, etc, where Python may work. Dependencies: - Python v2.6 or better v2.7 (v2.5 for pyrotate v0.8 or earlier) - an external archiver Russian: Программа для ротации и/или архивации логов (и любых других) файлов, которая использует любой внешний архиватор и может ротировать файлы в стиле Линуксовой программы logrotate в любой ОС, где работает интерпретатор языка Python. Требования: - Python не ниже v2.6, а лучше v2.7 (или v2.5 для pyrotate v0.8 или ранее) - любой внешний архиватор

Utility to help create backups more easily. The idea of the program is that all essential information for creating a backup is in a single file. It can use ‘tar’ for creating archives, has a command line interface, and supports incremental backups.

This program parallelizes the BZIP2 compression process to achieve a near-linear performance increase on SMP machines. On a two-processor Xeon machine, the speedup is around 180%. The tool's main purpose is to aid performing heavy-duty server backup

A postgresql port of the automysqlbackup script.

Moved to: https://github.com/vanderlee/Plugin-Setup Windows Setup tool specifically designed for installing PhotoShop compatible plug-ins. Will recognize all Windows PhotoShop plug-in compatible hosts and allow the user to pick which hosts the plug-in should be installed for.

BeoZip is a Java application that backs up data into ZIP files while also providing additional archiving utilities. This program uses the Java APIs for reading and writing ZIP files.

CopyCat is a simple backup program that allows you to schedule regular backups. CopyCat lets you choose to only backup files that have been modified since last time, and compress the files in RAR format if you like.

Iterative Compression Algorithm: trying to prove Shannon was wrong.

Rsync friendly encryption that runs on the UNIX command line. Encrypt a file and backup the changes to an untrusted host.

Zflate is a universal file recompressor tool that support a lot of file format like png, jpeg, zip, gzip, mp4, 3gp, mp3, pdf, exe, scr, avi and so on with simple usage It can compress smaller compared to compression techniques nowadays on some files. please Run it under windows or using wine if running under linux.