NanaZip is an open source file archiver intended for the modern Windows experience, forked from the source code of well-known open source file archiver 7-Zip.


There are many alternatives to GtkHash for Windows and since it's discontinued a lot of people are looking for a replacement. The best open source Windows alternative is NanaZip. If that doesn't suit you, our users have ranked more than 25 alternatives to GtkHash and 16 are open source and available for Windows so hopefully you can find a suitable replacement. Other interesting open source Windows alternatives to GtkHash are HashCheck Shell Extension, OpenHashTab, Windows Context Menu Tools and fHash.
NanaZip is an open source file archiver intended for the modern Windows experience, forked from the source code of well-known open source file archiver 7-Zip.


File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows file-properties dialog box.




OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.


Bundle of best Windows shell File Explorer context menu tools sorted and organized in cascaded menus:




RHash (Recursive Hasher) is a console utility for computing and verifying hash sums of files. It supports CRC32, MD4, MD5, SHA1, SHA256, SHA512, Tiger, DC++ TTH, BitTorrent BTIH, ED2K, AICH, GOST R 34.11-94, RIPEMD-160, HAS-160, EDON-R 256/512, Whirlpool and Snefru-128/256...


MD5summer is an application for Microsoft Windows 9x, NT, ME, 2000 and XP which generates and verifies md5 checksums. Its output file is compatible with the output of the Linux GNU MD5Sum and it will also read Linux generated files. MD5summer is written in Borland Delphi 7.

wxChecksums is a program which calculates and verifies checksums. So you can check the integrity of one or more files.




Jacksum is a free and cross platform data integrity software tool for computing and verifying checksums, CRCs, message digests, and hash values. 470 algorithms are supported, it takes advantage of modern multi-processor/multi-core environments.








With VisualHash you can compute hashsums of files and texts. VisualHash supports most of the common hashing and one-way algorithms, including Adler-32, Cksum-32, CRC-16, CRC-16-CCITT, CRC-16-XModem, CRC-32, CRC-32-MPEG2, CRC-64, ELF-32, FCS-16, FNV-32, FNV-64, GOST, MD2, MD4...
