Free Compression and Backup Software

1. 7 Zip

7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. 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.

2. CoffeeCup Free Zip

CoffeeCup Free Zip Wizard makes it easy to zip and unzip files. It has built-in e-mail and FTP functions, so you can zip and send your files in one easy step. Free Zip Wizard can also run any program or setup file inside ZIP files. It can also create self-extracting EXE files and find all the ZIP files on your system, too. CoffeeCup Free Zip Wizard walks you through the process of opening, creating, modifying, or finding a ZIP file. Create a self-extracting ZIP file, labeled actually as a EXE file, to make distribution a breeze. This method will allow the person receiving your file to simply double-click and open the file to get the files you archived.

3. EASEUS Partition Master Free Software

EASEUS Partition Master Home Edition is a FREE disk partitioning utility for extending system partition, better disk space management, settling low disk space problem under Windows 2000/XP/Vista. What's more, the freeware works perfectly with hardware RAID and laptops like HP, Dell, etc. Your data is completely protected during all operations

4. IZArc freeware archive utility

IZArc is the best freeware archive utility supporting many archive formats like: 7-ZIP, A, ACE, ARC, ARJ, B64, BH, BIN, BZ2, BZA, C2D, CAB, CDI, CPIO, DEB, ENC, GCA, GZ, GZA, HA, IMG, ISO, JAR, LHA, LIB, LZH, MDF, MBF, MIM, NRG, PAK, PDI, PK3, RAR, RPM, TAR, TAZ, TBZ, TGZ, TZ, UUE, WAR, XXE, YZ1, Z, ZIP, ZOO. With a modern easy-to-use interface, IZArc provides support for most compressed and encoded files, as well as access to many powerful features and tools. It allows you to drag and drop files from and to Windows Explorer, create and extract archives directly in Windows Explorer, create multiple archives spanning disks, creating self-extracting archives, repair damaged zip archives, converting from one archive type to another, view and write comments and many more.

5. Macrium Reflect FREE Edition

The fastest disk imaging software is now available as a free edition. Absolutely free! No strings! The only free XP and Vista compatible disk imaging software with BartPE and Linux based recovery options.

6. O&O DiskImage Express Freeware

O&O DiskImage Express Edition is the freeware version of our celebrated data imaging product. Thanks to its being so easy to use, you’ll be able to create images of your entire computer and restore individual data drives in no time at all.

7. PeaZip

PeaZip can extract most of archive formats both from Windows and Unix worlds: currently 87 file extensions are supported ranging from mainstream 7Z, RAR, TAR and ZIP to experimental ones like PAQ/LPAQ family, currently the most powerful compressor available. For archive creation, PeaZip suppors a wide range of compression and encryption standard, from fastes to most powerful ones, and allows to export job definition as scripts to bridge the gap between GUI and console applications, and let the user pick the best of the two worlds.

8. TUGZip

TUGZip is a powerful award-winning freeware archiving utility for Windows® that provides support for a wide range of compressed, encoded and disc-image files, as well as very powerful features; all through an easy to use application interface and Windows Explorer integration.