Metalsmith - An extremely simple, pluggable static site generator.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Nikola - Nikola is s static site generator tool written in Python.
Timeless | Meditation - Personal practice meditation timer with guided instruction and multi-day courses.
Assemble - The static site generator for Node.js, Grunt.js and Yeoman
Calm - Calm.com can help you reduce stress and increase calm.