Future Me - Send an email to your future self
VoiceMacro - Control applications or games by voice commands and/or by the press of a keyboard, mouse button or...
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
VoiceBot - Take command of your games with your voice using VoiceBot!
Letter to Yourself - Send a physical letter to your future self
Rhasspy - Rhasspy transforms voice commands into JSON events that can trigger actions in home automation software.