Open-Hashtool is an easy2use Qt based application, which can be used to calculate the hash (MD4; MD5; SHA-1; SHA-224; SHA-256; SHA-384; SHA-512; SHA3-224; SHA3-256; SHA3-386; SHA3-512) of texts and files.
It's compatible with Windows and Linux. But Linux users need Qt5.1 or Wine (configuration: Windows Version <= Windows 2008) to run the Open-Hashtool.
Please read the Wiki for compiling instructions.