I guess it's really safe cause it's open source, you can make notes on your habits but don't really do that. Its simple. Really fast. Haven't found a way to connect it to notion. In general it's a great app to track you habits. Does its job. Not more, not less.
Habitica - Habitica is a free habit building and productivity application.
HiddenMe - Hide desktop icons with a single click.
HabitBull - HabitBull
TunnelVision - See your next Trello tasks every time you open a browser tab
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
LeDimmer - LeDimmer is a small Windows application (<200KB) that sits in the system tray and simply dims...