Meditation and mindfulness apps
Headspace (Meditation, mindfulness, sleep) https://www.headspace.com/
The Waking Up App (Meditation) https://www.wakingup.com/
Productivity Tools
Trello https://trello.com/
Notion https://www.notion.com/
Habit-tracking apps
Habitica https://habitica.com/
Fabulous https://www.thefabulous.co/
Journaling tools
Penzu https://penzu.com/
Evernote https://evernote.com/