Open Source Windows File Compression 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.

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.

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...

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

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.

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.

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.

.NET wrapper for 7Zip, based on 7-Zip-JBinding, produced with IKVM. Extracts (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Udf archives. Archive creation/more formats coming soon.

Make generational backups with backup monitoring utilities including email notification. Backup to multiple locations with different options. Web restore system so users can restore their own files from a mounted volume or server. Cross platformable.

Blackfisk is an application that does backups. It differs from other backup-software in the way how to use it. The software can handle huge and complex backup tasks.

CDriveBack backs up partitions for Novice End Users. If the user boots the Live-CD, waits for it to settle, then hits enter, their C: Drive will be backed up. There are also advanced options.

CodersBackup is an advanced automatic folder zip backup system. Helps coders (programmers) backup their work based on filters, schedules. Destinations can be local hard disk and/or network and/or FTP. Special actions can be taken during backup.

Dreamfiler is a scanned documents and images organizer. It is ideal for offices and workstations that need easy storage and retrieval of important images or scanned documents for daily use. Use tags for easy recollection of data stored via images.

All client-side solution for PC & Browser Firefox to create zip archive and extract zip and rar archive files with API HTML5 file system. == Browser Extensions == Add-on Firefox: http://mzl.la/1Kd7fiD OS requirements - Windows 7 and later are supported, older operating systems are not supported (and do not work). Both x86 and amd64 (x64) binaries are provided for - - Windows. Please note, the ARM version of Windows is not supported for now. == Installation and Activation == 1. Download Extension and install in your Browser Firefox 2. Then: Select View - Sidebar and ZipWeb. Or to active extension use combo keys ctrl-6

I wanted to take regular differential backups of my files, zip and password protect them, then upload them to some nice free online storage. I want it to run seamlessly, no messing with a GUI every week.

GD RCS is a revision contol system which supports repository on removable media. It combines the abilities of PRCS, archiving tools like Zip and backup utilities.

JBackupWithZip is a java program for backing up oftenly some selected folders and files. You select some folders and/or some files by browsing your harddrives and then zip it (in zip format). The selection is saved to redo the zip easily when needed.