Alternatives to CHK Checksum Utility for all platforms with any license

dupeGuru

dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching...
- Discontinued Not sure about "discontinued", but this is unmaintained https://github.com/hsoft/dupeguru/issues/484#issuecomment-365817860
Free Open Source Mac Windows Linux
Duplicate File Finder Find duplicated files Local based GUI Support for Hotkeys Add a feature

88 Like
HashCheck Shell Extension

File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows file-properties dialog box.
- Discontinued Last commit is 2016.
Free Open Source Windows Windows Explorer
Shell integration Windows Explorer extension Add a feature

118 Like
Hashtab

Fast and Simple. Users in over 200 countries have downloaded HashTab to use as a simple MD5 checker or for a more advanced file integrity check.

Free Personal $ $ $ Mac Windows Windows Explorer Finder
Bulk Hashing Shell integration Add a feature

66 Like
RapidCRC Unicode

RapidCRC is an open source CRC/MD5/SHA hashing program. This is a mod of the original RapidCRC . The current unicode support...

Free Open Source Windows PortableApps.com
Portable Shell integration Add a feature

20 Like
HashMyFiles

HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.
- Discontinued The program is no longer updated. Last version, 3.3, released in 2007, can be still downloaded from the official website.
Free Windows
Portable Add a feature

17 Like
checksum

checksum is an easy-to-use, no-nonsense BLAKE2, SHA1 & MD5 hashing program for Windows, capable of creating & verifying hashes of files and folders, even whole...

Free Windows Linux BSD
Support for 64 bit Drag n drop Encryption Folder Comparison Add a feature

10 Like
Md5Checker

Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders Calculate and display MD5...
- Discontinued The program is no longer updated. Last version, 3.3, released in December 2007, can be still downloaded from the official website.
Free Windows
Lightweight Portable Add a feature

11 Like
FCorp File & Folder Tools

Collection of File & Folder Related Tools . Feature List : 1. Attribute Changer 2. Batch Folder Creator 3. DateTime Changer 4. Duplicate Finder 5. File...
- Discontinued Development of FCorp Software has been discontinued in 2016. Last version of File & Folder Tools, released in August 2016, can be still downloaded from SoftPedia.
Free Windows
Change File Dates Duplicate File Finder File Searching Utilities that Delete Files ... Portable Add a feature

16 Like
HashTools

HashTools is an application that calculates hashes for given files. It can calculate CRC32, MD5, SHA1, SHA256, SHA384 and SHA512 hashes, and generate an SFV file for...

Free Windows
Windows Explorer integration Portable Add a feature

6 Like
MultiHasher

MultiHasher is a freeware file hash calculator. No Spyware! No Adware! No Viruses! 100% Freeware! Clean & simple. Features: Calculate one or more hash values for...

Free Windows
Multiple languages Portable Support for Unicode Add a feature

6 Like
hashdeep

Cross-platform tools to computer hashes, or message digests, for any number of files while optionally recursively digging through the directory structure.

Free Open Source Mac Windows Linux BSD
Command line interface Portable Add a feature

4 Like
IgorWare Hasher

IgorWare Hasher is a free SHA-1, MD5 and CRC32 hash-generator for Windows and is available in 32- and 64-bit versions. This program is portable and does not require...

Free Windows
Portable Add a feature

3 Like
MD5summer

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...
- Discontinued The project is no longer developed. Latest version, 1.2.0.11, released in April 2006, can be still downloaded from the official website.
Free Open Source Windows
No features added Add a feature

7 Like
WinMD5Free

WinMD5 is a freeware for Windows to allow user to calculate MD5 hash or checksum for files, and verify a download.
- Discontinued The program is no longer updated. Last version, released in 2009, can be still downloaded from the official website.
Free Windows
No features added Add a feature

2 Like
RHash

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...

Free Open Source Windows Linux BSD
Support for eD2K/eDonkey protocol Support for MAGNET links Portable Add a feature

6 Like