Portable Programming software tools and utilities
Rapid Environment Editor is a Freeware Windows Environment Variables Editor created by Oleg Danilov. Available in a portable version, this environment editor enables you to edit your environmental variables (name, type, path, etc) via an easy to use graphical underlying interface that presents system and user variable paths in a tree like fashion.
Resource Hacker is an Amazing, Portable and Powerful freeware executable editor that just as the author states, can be used to view, modify, rename, add, delete, or extract the resources from 32-bit Windows "EXE" executables or "RES" resource files. Resource Hacker allows users to quickly and easily tweak an executable to add or remove features.
WinSpy++ is a Free Tool that can be used to find the advanced properties of a Window. Offered by Catch22, it is a handy programmer's utility to have on a Portable USB drive and can display the following; Control handle, Window class and name, Window procedure address, Window styles, Window class information, Window properties, Child and sibling window relationships, and Scrollbar position.
ExamDiff is a Portable and Free File Comparison Tool offered by PrestoSoft that can be used to compare files to see if they are identical. ExamDiff is a Freeware Visual File Comparing application that features browse and drag and drop file comparison, can automatically detect file changes, and provides plenty of customizable display options.