Startups Anonymous - Anonymously ask questions and share stories. AA for Startups
VentVoice - VentVoice is a safe space to vent with your voice, in your language and get things off your chest, no comments, no judgement!
Lalo - Lalo is a platform for remembrance.
Postmodern.app - Anonymous, short, ephemeral conversations with others
Requstory - Requstory helps you write your user story quickly.
chitchat - Chat Room with Selfies and Pagers (yes, pagers!)