Free data compression software

This software can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: “free software” or “open source software”. Typically, this means software which is distributed with a free software license, and whose source code is available to anyone who receives a copy of the software.


1. 7-Zip
2. ARJ
3. AdvanceCOMP
4. Ar (Unix)
5. Ark (computing)

6. Bzip2
7. DAR (Disk Archiver)
8. File Roller
9. FreeArc
10. Gzip

11. Info-ZIP
12. KGB Archiver
13. Keka
14. LZRW
15. Lempel-Ziv-Oberhumer

16. Lzop
17. P7zip
18. PAQ
19. PEA (file format)
20. PeaZip

21. Pngcrush
22. QUAD (compressor)
23. Reduced Offset Lempel Ziv
24. Rzip
25. UPX

26. The Unarchiver
27. Unrar
28. XAD (software)
29. XZ Utils
30. Xarchiver
31. Xz
32. Zlib

Sources: Wikipedia