Nixstaller is an Open Source project with the goal to create user friendly and flexible installers that work on various UNIX like systems. Some of its features are: small size overhead, large compatibility, Lua scripting and few dependencies.
ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.