tomato is a simple program using the pomodoro technique for being productive. it is made with autoit and so only works on windows.
tomato minimizes all your windows and a message box appears to inform you when to switch between working and taking a break.

to build:

• open Aut2exe_x64.exe in your autoit installation folder
• drag tomato.au3 into files/source
• drag tomato.ico into options/custom icon
• press convert