Simple text editor. textMachine can open any text file document, without formatting, but will show formatting. The infamous Look Busy feature is available in textMachine, but it is hidden. You can find "Look Busy" in your dock menu. To turn it off, select "Boss Gone".
Module for System Preferences making a RamDisk. You can place temporary files for speed saving video, speed recording a lot of pictures, building your application with xCode,... RamDisk is the use of a part of read-write memory (RAM) as a hard disk.