Memo Pronto is a very simple and useful tool to create instant notes and a program I use all day.
It consists of one text box and four buttons: Save, Minimize, Save and Minimize, Save and Escape. To "Minimize" the tool means to hide the program. To show it again, single-click on the tray icon.
Memo Pronto is written in Pascal and was created using Lazarus. This program is cross-platform and has been tested on these platforms:
x86_64 Linux binary 5.2 MiB
Win32 (x86) binary 1.5 MiB