Random signature generator for Linux. It needs a text file named "tags.txt" located in your home directory, which contains one quotation per row; it creates "~/.signature".
SafeInstall takes the place of "make install", but instead of installing it builds a Slackware package, which can be installed with "installpkg" and removed with "removepkg". This way the system remains "clean".
If you use Windows, when you install or use a new software it usually adds data to your system registry, often UNREMOVED after the uninstallation. You can monitor all these changes with RegShot (http://sourceforge.net/projects/regshot/). UNDOReg analyzes a RegShot TXT report and deletes referenced registry keys.