Startups Anonymous - Anonymously ask questions and share stories. AA for Startups
Steller - Everyone has a story to tell. Tell yours with photos, videos, and text.
VentVoice - VentVoice is a safe space to vent with your voice, in your language and get things off your chest, no comments, no judgement!
Postmodern.app - Anonymous, short, ephemeral conversations with others
Yarn - Yarn is a package manager for your code.
Insiderr - Tailor made anonymous business feed