Explorecams - Explorecams allows you to search through thousands of images that people taken on specific photo camera bodies & lenses.

Documize - Enterprise-grade wiki and knowledge management platform

CameraDecision - CameraDecision helps users to find a camera based on pros and cons, comparisons, and descriptions.

HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.

Photography PX - Photographypx, your one and only stop for latest camera gear reviews, tutorials, with industry leading photographers and courses to get you started right

ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.