HashCalc is described as 'A fast and easy-to-use calculator that allows to compute message digests, checksums and HMACs for files, as well as for text and hex strings. It offers a choice of 13 of the most popular hash and checksum algorithms for calculations' and is an app in the OS & Utilities category. There are more than 50 alternatives to HashCalc for a variety of platforms, including Windows, Linux, Mac, BSD and PortableApps.com. The best alternative is HashCheck Shell Extension, which is both free and Open Source. Other great apps like HashCalc are Hashtab (Free Personal), OpenHashTab (Free, Open Source), GtkHash (Free, Open Source) and HashMyFiles (Free).
HashTab provides OS extensions to calculate file hashes. HashTab supports many hash algorithms such as MD5, SHA1, SHA2, RipeMD, HAVAL and Whirlpool. Hashtab is supported as a Windows shell extension and a Mac Finder plugin.
Features: Support for 22 algorithms, see Algorithms High performance hash calculation Native Windows looks High DPI screen support Long path support* Multilingual (Consider contributing to translation!
Currently supported hash functions include CRC32, ADLER32, GOST, MD2, MD4, MD5, MD6, SHA1, SHA2, SHA3, RIPEMD, HAVAL, TIGER, WHIRLPOOL and BLAKE2. - Support for verifying checksum files from sfv, sha256sum, etc.
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.