Certificate-helper is a utility desktop application written in Java designed and created to assist (mainly developers) in creating and viewing keystores and digital certificates. This is done via a user interfaces implemented in Swing.
Power Hasher is a program that allow you to get the hash code of multiple files at once, and export the results to a file, making easy for this file to be imported and the files checked. Currently it supports MD5, SHA1, SHA256, SHA384 and SHA512.