ScribeHow - Create step-by-step user guides, with a simple click

Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.

iorad - Tired of explaining with screenshots? Instant Interactive Tutorials with iorad

Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.

Archbee.io - Archbee is a developer-focused product docs tool for your team. Build beautiful product documentation sites or internal wikis/knowledge bases to get your team and product knowledge in one place.

REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.