Startups Anonymous - Anonymously ask questions and share stories. AA for Startups
Requstory - Requstory helps you write your user story quickly.
VentVoice - VentVoice is a safe space to vent with your voice, in your language and get things off your chest, no comments, no judgement!
Pine - A lightweight, modern macOS markdown editor written in Swift
Postmodern.app - Anonymous, short, ephemeral conversations with others
mockingbird - Mockingbird helps you you create and share clickable wireframes. Use it to make mockups of your website or application in minutes.